Radiation therapy, Oncology FAQ - Page 4

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Impact of Radiation Therapy on GORE-TEX in Nasal Reconstruction

The effect of radiation therapy on GORE-TEX materials? Hello doctor, I previously underwent rhinoplasty using GORE-TEX material due to a car accident. I have recently been diagnosed with nasopharyngeal cancer and need to undergo radiation therapy. I would like to know if radiatio...


Dr. Lai Yicheng Reply:
Hello Ms. Samy, the area of your nose is not within the radiation zone for nasopharyngeal carcinoma, so it should not affect the use of GORE-TEX material for the procedure. Changhua Hospital, Department of Radiation Oncology, Dr. Lai Yi-Cheng, May 21, 2018.

[Read More] Impact of Radiation Therapy on GORE-TEX in Nasal Reconstruction


Can Radiation and Chemotherapy Be Combined for Cancer Treatment?

Can radiation therapy and chemotherapy be done together? Hello, Director Lai. I have a matter I am unsure about. My wife was diagnosed with stage 3 breast cancer, which recurred three years later and metastasized to the lymph nodes on the other side. After two years of chemothera...


Dr. Lai Yicheng Reply:
Dear Mr. Lee, Regarding your question, radiation therapy and chemotherapy can be administered simultaneously. It is important to take advantage of the optimal treatment window and not delay therapy any further. If you experience any side effects during the treatment process, pl...

[Read More] Can Radiation and Chemotherapy Be Combined for Cancer Treatment?


Understanding Stage IV Astrocytoma: Survival Rates and Post-Surgery Care

A family member has been diagnosed with stage IV astrocytoma, and the doctor has given a prognosis of only 1.5 years left? Hello Dr. Lai, my family member has been diagnosed with a brain tumor (Grade IV astrocytoma), and the doctor has informed us that there is only about a year ...


Dr. Lai Yicheng Reply:
The first question is unclear, and I cannot provide advice based on it. For the second question, please avoid consuming irritating foods such as spicy, greasy, fried foods, and stewed dishes with old ginger and Chinese cabbage. For more detailed information, you may consult a nut...

[Read More] Understanding Stage IV Astrocytoma: Survival Rates and Post-Surgery Care


Understanding Elevated Ca-125 Levels in Endometrial and Ovarian Cancer

Elevated Ca-125 levels? Hello, doctor. My mother (57, postmenopausal) experienced bleeding a few months ago and underwent a dilation and curettage (D&C). Afterward, she was diagnosed with endometrial cancer and underwent surgery to remove her uterus, ovaries, and lymph nodes....


Dr. Lai Yicheng Reply:
Hello Miss Joan: Could you please discuss your concerns (including medications and examinations) with your mother's attending physician, and inquire whether a PET scan is necessary? If you are still unable to clarify your doubts, you are welcome to prepare the necessary docu...

[Read More] Understanding Elevated Ca-125 Levels in Endometrial and Ovarian Cancer


Managing Stage IV Nasopharyngeal Cancer: One and a Half Years Post-Treatment

One and a half years after treatment for stage IV nasopharyngeal carcinoma? My husband has stage IV nasopharyngeal carcinoma (T4N3M0), located in the supraclavicular fossa and the longus colli muscle area. After a year and a half of treatment, he is doing well. Recently, during a...


Dr. Lai Yicheng Reply:
1. Please perform a blood test to check the EBV DNA PCR levels, and then assess for any recurrence. 2. The cervical lymph nodes have decreased from 1.2 cm to 0.6 cm and then increased to 0.96 cm; I recommend surgical excision for pathological examination. 3. Is the nasopharyn...

[Read More] Managing Stage IV Nasopharyngeal Cancer: One and a Half Years Post-Treatment


Managing Stage IV Esophageal Cancer with Metastasis: Key Considerations

Stage IV esophageal cancer with metastasis to other sites? Hello, Doctor! At the beginning of July, my father (56 years old) suddenly experienced weakness in his left leg. After examination at the hospital, it was found that there were 3-4 tumors of varying sizes in his brain. Fu...


Dr. Lai Yicheng Reply:
Dear Ms. Wu, Thank you for your letter. Here are the responses to your inquiries in order: 1. Currently, nutrition is being administered primarily via a nasogastric tube. Oral intake should be avoided to prevent aspiration pneumonia due to potential esophageal obstruction from ...

[Read More] Managing Stage IV Esophageal Cancer with Metastasis: Key Considerations


Exploring Treatment Options for Stage III Esophageal Adenocarcinoma

Stage III esophageal adenocarcinoma? Hello Doctor, my father was diagnosed with stage III esophageal adenocarcinoma in mid-April. There is only some space left in the upper part of his stomach, and the gastric wall at the gastroesophageal junction has thickened. In early May, a c...


Dr. Lai Yicheng Reply:
Ms. Shiori: Based on the condition you described, your father will primarily continue with chemotherapy, supplemented by radiation therapy. Dr. Lai Yi-Cheng, Department of Radiation Oncology, Changhua Hospital.

[Read More] Exploring Treatment Options for Stage III Esophageal Adenocarcinoma


Managing Cancer and Mental Health: Prioritizing Care for Patients

Lung cancer metastasis to the brain? Hello Doctor: My boyfriend is Malaysian, and his mother has been diagnosed with stage IV lung cancer that has metastasized to the brain. She has just completed radiation therapy for the brain. Initially, she was supposed to receive a treatment...


Dr. Hu Ziren Reply:
Hello, online user: In the case of lung cancer with brain metastasis, and recent treatments including cranial radiotherapy and systemic chemotherapy, if the patient has no history of mental illness, it is advisable to first rule out the worsening of brain metastasis or acute side...

[Read More] Managing Cancer and Mental Health: Prioritizing Care for Patients


Managing Lateral Lymph Node Metastasis in Papillary Thyroid Cancer: Surgery or I-131?

For lateral lymph node metastasis of papillary thyroid carcinoma, is surgery recommended or is iodine-131 treatment preferred? 1. What is the ideal level of thyroglobulin (TG)? 2. Given the bilateral lateral neck lymph node metastasis, should surgery be performed or should anothe...


Dr. Chen Sirong Reply:
Marian / 21 years old / Male Q1: What is the ideal TG value? A: For patients on thyroid hormone replacement, a TG < 1 indicates successful treatment, while a TG > 5 raises suspicion for recurrence. For those not on thyroid hormone replacement, a TG < 5 indicates succe...

[Read More] Managing Lateral Lymph Node Metastasis in Papillary Thyroid Cancer: Surgery or I-131?


Understanding Adjuvant Therapy Options for Colorectal Cancer Patients

Adjuvant medication Hello, Dr. Lai! I recently underwent a colonoscopy, and it was found that there are two flat polyps extending horizontally at the cecum: one measuring approximately 1.5 cm x 0.7 cm and the other in a V-shape measuring about 2 cm x 0.5 cm. Visually, they are di...


Dr. Lai Yicheng Reply:
Dear Ms. K.K., Thank you for your inquiry. Here are the responses: 1. All diagnoses should be based on the pathological report from laboratory tests. If it is not a malignant tumor, polypectomy may suffice. However, if it is unfortunately malignant, the pathological report from...

[Read More] Understanding Adjuvant Therapy Options for Colorectal Cancer Patients


Is Surgery Necessary After Radiation for Stage 3B Cervical Cancer?

Radiation Therapy Hello, the patient is a 73-year-old woman diagnosed with stage 3B cervical cancer. She has undergone 28 sessions of external beam radiation therapy and 3 sessions of chemotherapy during the radiation treatment. Due to hospital equipment limitations, she did not ...


Dr. Chen Sirong Reply:
Anonymous / 49 years old / Male Is surgery a necessary option at this stage and age if further brachytherapy is not performed, or is monitoring sufficient? A: 1. If no adjuvant brachytherapy is performed, it means that the radiation dose is insufficient, as the effective dose ...

[Read More] Is Surgery Necessary After Radiation for Stage 3B Cervical Cancer?


Understanding the Link Between Thyroid Nodules and Cancer Treatment

The relationship between cancer treatment and thyroid nodules? Hello, Doctor. This year, my mother and grandmother were diagnosed with breast cancer and nasopharyngeal cancer, respectively. My mother has already started her radiation therapy, while my grandmother is still undergo...


Dr. Hu Ziren Reply:
Hello, if it is hereditary and has not changed in size, the likelihood of malignancy is usually very low. It is recommended to just monitor it.

[Read More] Understanding the Link Between Thyroid Nodules and Cancer Treatment


Understanding Papillary Thyroid Cancer: Diagnosis, Treatment, and Follow-Up

Papillary Thyroid Carcinoma Hello Doctor: On February 21, I was diagnosed with a 6 cm tumor on the left side of my thyroid and two tumors measuring about 1-2 cm on the right side. I underwent a surgical removal, and the pathology results showed that the right side was benign whil...


Dr. Lai Yicheng Reply:
Dear Mr. Huang: Thank you for your inquiry. Here is the response: 1. Surgery is typically the first step in treating thyroid cancer, aiming to remove as much cancerous tissue as possible. In rare cases of localized and well-differentiated thyroid cancer, a lobectomy of the affe...

[Read More] Understanding Papillary Thyroid Cancer: Diagnosis, Treatment, and Follow-Up


Managing Side Effects of Third Chemotherapy for Thymic Tumors

Side effects of the third chemotherapy session? The patient is in the advanced stage of malignant thymoma (approximately 7.5 cm at diagnosis, encasing major blood vessels and close to the heart). After two rounds of chemotherapy, the doctor mentioned some shrinkage, but did not s...


Dr. Lai Yicheng Reply:
Dear Madam, Thank you for your inquiry. The treatment for malignant thymoma primarily involves surgical resection, followed by postoperative pathological evaluation to determine the necessity for further radiotherapy or chemotherapy. In the case you described, which falls under ...

[Read More] Managing Side Effects of Third Chemotherapy for Thymic Tumors


Understanding Post-Chemotherapy and Radiation Side Effects in Colorectal Cancer

Chemotherapy and radiation therapy side effects? My sister is 39 years old and has stage III colon cancer. The doctor recommended a five-week course of chemotherapy and radiation therapy, after which the tumor shrank by 80% or disappeared. She is currently resting at home for abo...


Dr. Chen Yunfang Reply:
Hello: I cannot answer this because there are too many possible causes for the pain, such as pain from the tumor itself, pain from intestinal perforation, or pain from a wound infection or abscess (which, if not treated, could lead to sepsis and be fatal)... She needs to see a ph...

[Read More] Understanding Post-Chemotherapy and Radiation Side Effects in Colorectal Cancer


Post-Surgery Considerations for Residual Meningioma: Is Radiation Necessary?

Residual tumor after brain surgery? I have been diagnosed with a meningioma, approximately 3 cm in size, located on the right side of the brain, specifically a sphenoid wing meningioma. The tumor envelops the internal carotid artery and compresses the optic nerve, extending to th...


Dr. Chen Sirong Reply:
Xiao Yu / 42 years old / Male 1. Is it necessary to undergo radiation therapy for a slowly growing grade I benign meningioma? A: Yes, it can delay the time to recurrence and may even prevent it from growing further, maintaining the current status. 2. If radiation therapy is n...

[Read More] Post-Surgery Considerations for Residual Meningioma: Is Radiation Necessary?


Understanding Breast Cancer Surgery and Post-Operative Treatment Options

Preoperative and postoperative treatment for breast cancer? Hello Doctor, My mother has been undergoing regular mammograms every six months and was diagnosed with breast cancer last week. The tumor is located at the 9 o'clock position in the right breast, measuring 1.2 cm,...


Dr. Lai Yicheng Reply:
Dear Madam, Thank you for your letter. Here are my responses: 1. If the malignant tumor is small, partial resection followed by adjuvant radiation therapy can be considered. However, if your mother has multiple benign fibromas in both breasts as you described, total mastectomy ...

[Read More] Understanding Breast Cancer Surgery and Post-Operative Treatment Options


Understanding Cervical Cancer Treatment Options for Stage 3B Patients

Cervical cancer treatment The patient is a 72-year-old mother who has been diagnosed with stage 3B cervical cancer. The gynecologist believes that surgery is not advisable. After undergoing 28 sessions of radiation therapy and 3 sessions of chemotherapy, the tumor has slightly sh...


Dr. Lai Yicheng Reply:
Dear Mr. HDJDJKFKD, Thank you for your letter. Here are my responses: 1. After 28 sessions of radiation therapy and 3 sessions of chemotherapy, a PET scan is required. It is important to rest for 6 to 8 weeks to avoid false positives. 2. The effectiveness of the treatment will ...

[Read More] Understanding Cervical Cancer Treatment Options for Stage 3B Patients


Managing Sore Throat Pain After Radiation Therapy: Tips and Remedies

Sore throat? I would like to ask the doctor, my father has already undergone 10 sessions of radiation therapy and is starting to experience throat pain. Are there any sprays or pain relievers that can help alleviate his discomfort?


Dr. Chen Sirong Reply:
Concerned daughter / 21 years old / Female 1. Are there any sprays or pain relievers available? A: 1. Anti-inflammatory - English product name: Salcoat Capsule for Spray - Chinese product name: 賜爾克痛口腔噴霧用膠囊 - Active ingredient: Beclomethasone Dipropionate - Dosag...

[Read More] Managing Sore Throat Pain After Radiation Therapy: Tips and Remedies


Managing Early Stage Stomach Cancer: Care Tips and Medication Effectiveness

Early-stage gastric cancer..? I would like to inquire about an elderly family member in their 60s. A few years ago, they suffered a stroke that left the left side of their body paralyzed. Recently, during a bowel movement, they noticed black stools, and upon examination, they wer...


Dr. Chen Sirong Reply:
Neighbor's younger sister / 36 years old / Female 1. I would like to ask if cancer medication is effective? A: The side effects are a matter of probability, depending on the specific medication. You can refer to the drug manufacturer's package insert for detailed info...

[Read More] Managing Early Stage Stomach Cancer: Care Tips and Medication Effectiveness


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