Radiation therapy, Oncology FAQ - Page 6

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Understanding Lung Adenocarcinoma: Diagnosis, Treatment, and Next Steps

Diagnosed with lung adenocarcinoma? Hello, I hope you don't mind me reaching out for advice. My mother (68 years old) was found to have four tumors during an LDCT scan (1 in the right middle lobe, 2 in the right upper lobe, and 1 in the left upper lobe). She only feels some ...


Dr. Lai Yicheng Reply:
Dear Ms. Joyce, Regarding your letter, as you described, "After surgery, three tumors were confirmed to be lung adenocarcinoma (RML*1, RUL*1, LUL*1)." Therefore, the postoperative cancer staging should be M1a. As for whether there is metastasis beyond the lungs, I reco...

[Read More] Understanding Lung Adenocarcinoma: Diagnosis, Treatment, and Next Steps


Understanding Cancer Recurrence and Metastasis: Key Insights for Patients

Why do relapses and metastases occur? My father has stage IV oral cancer. From August of last year to March of this year, he has been in and out of the hospital. A few days ago, the ENT specialist mentioned that the cancer has metastasized to the lungs and does not recommend furt...


Dr. Chen Yunfang Reply:
Hello: Will cancer occur? Will it recur? In fact, it has nothing to do with how carefully you take care of yourself or whether you practice a healthy lifestyle. Even if you eat well and sleep well every day, it remains the same. The likelihood of recurrence is largely determined ...

[Read More] Understanding Cancer Recurrence and Metastasis: Key Insights for Patients


Understanding Oral Cancer Metastasis: Treatment Options and Costs

Oral cancer metastasis Hello Doctor: My father is 60 years old and was diagnosed with stage IV gingival cancer that had invaded the mandible in June of last year. He underwent surgery to remove the mandible and had lymphadenectomy, and the postoperative report showed no cancer ce...


Dr. Lai Yicheng Reply:
Dear Miss Chuang, Thank you for your letter. Here is my response: 1. Your father is currently receiving the standard treatment regimen of "cisplatin + gemcitabine" for head and neck cancer. If this treatment fails, there are many other chemotherapy agents available, s...

[Read More] Understanding Oral Cancer Metastasis: Treatment Options and Costs


Managing Chemotherapy Side Effects in Elderly Patients with Rectal Cancer

Elderly patients are unable to tolerate chemotherapy? Dear Director, My father is 84 years old. After the Lunar New Year, he was diagnosed with stage 2B rectal cancer (the tumor is 4 cm from the anal opening). The attending physician assessed that the tumor is too large and reco...


Dr. Lai Yicheng Reply:
Dear Miss Hsiao-Yun, Thank you for your letter. Here is my response: Your father has a stage 2B malignant tumor in the lower rectum, and there is a possibility for "sphincter-preserving treatment." Based on our experience, preoperative radiation combined with chemother...

[Read More] Managing Chemotherapy Side Effects in Elderly Patients with Rectal Cancer


Understanding Pituitary Tumors: Size, Growth, and Treatment Options

Pituitary adenoma Hello doctor, I previously lost weight (without taking weight loss medication, just through diet control and exercise), but then my period stopped. I went to see a gynecologist, and after some time of examination, I found out that my period only comes when I tak...


Dr. Lai Yicheng Reply:
Dear Ms. Jemy, Thank you for your letter. Here is my response: A 0.5 cm pituitary adenoma is referred to as a "microadenoma." Medical treatment can be considered initially, and if it is ineffective, surgery or radiation therapy may be considered. I recommend that you f...

[Read More] Understanding Pituitary Tumors: Size, Growth, and Treatment Options


Is Local Radiation Necessary After Total Mastectomy for Stage IIB Triple-Negative Breast Cancer?

The necessity of total mastectomy and adjuvant radiotherapy? My mother, who is 77 years old, underwent a right total mastectomy and axillary lymph node dissection on January 20. The postoperative pathology report indicated triple-negative breast cancer, stage IIB T3N0M0, with a t...


Dr. Lai Yicheng Reply:
Dear Ms. Jojo, Thank you for your letter. I would like to respond as follows: Your mother has been diagnosed with right-sided breast cancer, T3N0M0, with a tumor size of 10 cm, grade 3, triple-negative, and stage IIB. 1. Adjuvant chemotherapy and radiotherapy are the standard ...

[Read More] Is Local Radiation Necessary After Total Mastectomy for Stage IIB Triple-Negative Breast Cancer?


Understanding Brain Tumor Treatment Options and Survival Rates

Thank you, Dr. Lai, for your continued questions? Dr. Lai: Thank you for your prompt response. My brother's brain tumor surgery was completed on March 15, and he was transferred to a regular ward on March 18. The doctor mentioned that it is not a metastatic tumor, but it is ...


Dr. Lai Yicheng Reply:
Dear Miss Ling, Thank you for your inquiry. I find it difficult to accurately answer your question regarding "survival rates," as this depends on the pathology report for precise determination. Different cancer cells have varying prognoses, and treatment methods also d...

[Read More] Understanding Brain Tumor Treatment Options and Survival Rates


Can Breast Cancer Patients Safely Consider Pregnancy After Treatment?

Can breast cancer patients conceive? Hello, I am a breast cancer patient. I have completed 6 cycles of chemotherapy and have 30 sessions of radiation therapy remaining. I am currently taking hormone therapy medication, and my doctor mentioned that I need to take it for at least 5...


Dr. Lai Yicheng Reply:
Dear Ms. Candy, Thank you for your inquiry. Here are the responses to your questions: 1. You should wait at least two years after chemotherapy before attempting to conceive. 2. Pregnancy is not permitted during radiation therapy. 3. During hormone therapy with Nolvadex (Tamoxif...

[Read More] Can Breast Cancer Patients Safely Consider Pregnancy After Treatment?


Understanding Esophageal Hardening After Cancer Treatment: What to Expect

Esophageal rigidity? Hello, Doctor. My father, who has stage III esophageal cancer, underwent chemotherapy and radiation therapy. Three years later, he is experiencing difficulty swallowing again. After a follow-up visit and an endoscopy, it was found that his esophagus has becom...


Dr. Lai Yicheng Reply:
Dear Miss Tinglee828, Thank you for your letter. In response to your concerns about your father's esophagus becoming more rigid after chemotherapy, I personally believe that since it has been three years since the treatment, the tissue should be relatively stable, and the c...

[Read More] Understanding Esophageal Hardening After Cancer Treatment: What to Expect


Understanding Brain Tumors: Concerns and Survival Rates for Patients

Please help me? Hello, Doctor. My brother is 32 years old and went to the emergency room due to dizziness and discomfort, where he was diagnosed with a brain tumor. He is scheduled for surgery to remove the tumor tomorrow. There are three small tumors and one large tumor measurin...


Dr. Lai Yicheng Reply:
Dear Ms. Ling, I acknowledge your letter and would like to respond as follows: 1. Your brother has three small and one large tumor in the left hemisphere of the brain, with the largest measuring 4.5 cm. This is associated with a high likelihood of metastasis, as primary brain t...

[Read More] Understanding Brain Tumors: Concerns and Survival Rates for Patients


Understanding Abdominal Distension and Constipation in Terminal Cancer Patients

Abdominal swelling and hardness in terminal cancer patients, along with persistent urges to defecate without being able to do so, may be due to several factors. These can include bowel obstruction, which is common in advanced cancer due to tumor growth or adhesions; constipation ...


Dr. Chen Yunfang Reply:
Hello: I am very sorry to read your account. Treatment often does not end as satisfactorily as we hope. If I were your attending physician, I would increase the dosage and potency of morphine. You should know that the analgesic effect of morphine has no upper limit; it can be gra...

[Read More] Understanding Abdominal Distension and Constipation in Terminal Cancer Patients


Understanding Advanced Prostate Cancer Treatment Options for Seniors

Prostate cancer Hello Dr. Lai: Recently, a family member (approximately 80 years old, with a pacemaker, unable to undergo MRI) was diagnosed with advanced prostate cancer that has metastasized to the bones. The outpatient physician recommended surgical resection (which could exte...


Dr. Lai Yicheng Reply:
Hello, 1. The letter mentions that the patient has prostate cancer with bone metastasis. According to literature, the five-year survival rate is approximately 20%, but it is essential to evaluate this alongside risk factors such as the pathological Gleason score and PSA levels ...

[Read More] Understanding Advanced Prostate Cancer Treatment Options for Seniors


Understanding Treatment Options for Advanced Throat Cancer

Cancer treatment Hello Dr. Lai, my husband discovered a hard lump on the right side of his jaw near the neck in January, which has been growing larger. He visited the ENT department at the hospital, where the doctor used an endoscope and noted an ulcer in the deep throat. Due to ...


Dr. Lai Yicheng Reply:
Dear Ms. Chia, I received your letter regarding your husband's condition, and I would like to respond as follows: 1. The epiglottic vallecula is located anterior to the epiglottic cartilage and is associated with malignant tumors of the oropharynx. 2. The original treating...

[Read More] Understanding Treatment Options for Advanced Throat Cancer


Can Breast Cancer Survivors Safely Use Birth Control Pills?

Can breast cancer patients take contraceptive pills? Hello Doctor: I was diagnosed with stage II breast cancer in 2008 and underwent chemotherapy, radiation therapy, and targeted therapy. Currently, I am on regular follow-up visits. However, I have recently noticed that my menstr...


Dr. Lai Yicheng Reply:
Dear Ms. Amy, In response to your inquiry, my recommendations are as follows: 1. It is advisable to postpone the use of contraceptive pills. 2. The decrease in menstrual flow may indicate the onset of menopause. You can check the levels of LH and FSH in your blood to confirm wh...

[Read More] Can Breast Cancer Survivors Safely Use Birth Control Pills?


Understanding Unilateral Breast Tissue Asymmetry: What You Need to Know

Breast tissue Hello, I previously inquired about this, but another physician seemed to misunderstand my question. They might have thought I was asking about bilateral asymmetry, so I would like to ask again about unilateral (local) asymmetry. Recently, a family member underwent...


Dr. Chen Sirong Reply:
AC / 20 years old / Female. The breast ultrasound report needs to be explained by the physician; it cannot be interpreted solely based on the information you provided regarding asymmetry. Please return to the physician's clinic for a face-to-face consultation. Happy New Year...

[Read More] Understanding Unilateral Breast Tissue Asymmetry: What You Need to Know


Post-Colon Cancer Complications: Adhesions and Bowel Incontinence Solutions

Postoperative intestinal adhesions after colorectal cancer surgery? Hello, Doctor. My father was diagnosed with stage II colon cancer four years ago. He initially underwent chemotherapy to shrink the tumor before having surgery to preserve his anus, which unfortunately resulted i...


Dr. Lai Yicheng Reply:
Hello, Sir: Question 1: Regarding new technologies, it would be better to consult a surgeon for more clarity. Question 2: Postoperative adhesions are often caused by previous abdominal surgeries, pelvic inflammatory disease due to infections, or even as a result of chemotherapy...

[Read More] Post-Colon Cancer Complications: Adhesions and Bowel Incontinence Solutions


Understanding Metastasis Risks During HER2 Breast Cancer Treatment

Is there a possibility of metastasis during breast cancer treatment? Hello, doctor. My mother was diagnosed with breast cancer (HER2 type) in May 2015. She has completed six rounds of chemotherapy and has undergone surgery for local excision, targeted therapy, and radiation thera...


Dr. Lai Yicheng Reply:
Hello, Miss: 1. It is relatively uncommon for breast cancer patients undergoing chemotherapy, surgery, radiation therapy, and targeted drug treatment to experience distant metastasis (unless the breast cancer is at a very advanced stage with a high number of infected axillary l...

[Read More] Understanding Metastasis Risks During HER2 Breast Cancer Treatment


Understanding Ewing's Sarcoma: Recurrence and Survival Rates Explained

Primary bone cancer Hello, doctor. Is Ewing's sarcoma a type of tumor that is likely to recur or be fatal? The information available online is quite disorganized and scarce.


Dr. Chen Yunfang Reply:
Hello: Ewing's sarcoma is the third most common type of bone cancer, primarily affecting children and adolescents, and is characterized by rapid tumor growth. Regarding prognosis, if there is no distant organ metastasis at the time of diagnosis and only localized tumors are ...

[Read More] Understanding Ewing's Sarcoma: Recurrence and Survival Rates Explained


Understanding Bone Metastasis in Stage 4 Breast Cancer: Treatment Options

Breast cancer metastasis to bone? Hello, Doctor Lai! My mother was diagnosed with stage 4 breast cancer earlier this year, which has metastasized to her bones. In March, she underwent surgery on her spine (from the neck to the upper body) because a tumor was pressing on her nerve...


Dr. Lai Yicheng Reply:
Dear Ms. Ying-Chi, In response to your inquiry regarding your mother's condition, she has a history of breast cancer with bone metastasis following surgery and radiation therapy. 1. She is experiencing neck pain and pain behind the left ear, which may indicate new bone me...

[Read More] Understanding Bone Metastasis in Stage 4 Breast Cancer: Treatment Options


Understanding Bone Metastasis and Treatment Options for Cancer Patients

Bone metastasis 1. There is neck pain and pain behind the left ear after the head. This may indicate new bone metastases; please arrange for a whole-body bone scan. If new lesions are found, palliative radiation therapy can be considered. 2. There is left facial paralysis. Is t...


Dr. Lai Yicheng Reply:
Side Effects of Brain Radiation Therapy: (Acute Side Effects) 1. During the treatment process, increased intracranial pressure may occur, leading to symptoms such as headaches, nausea, and vomiting. Additionally, localized edema from the tumor may exacerbate these symptoms. In...

[Read More] Understanding Bone Metastasis and Treatment Options for Cancer Patients


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