Rectal cancer, Oncology FAQ - Page 2

Is it really possible for the CEA level to reach 10,000? Hello Director Lai, I discovered a CEA level of 1085 during my health check in August this year, and subsequently, the clinic tested it again with a value of 1500. Later, after transferring to another hospital, the results ...

The differences between Erbitux (cetuximab) and Vectibix (panitumumab) lie primarily in their molecular structure, indications, and specific mechanisms of action. Erbitux is a chimeric monoclonal antibody that targets the epidermal growth factor receptor (EGFR) and is primarily...

Targeted therapy options for stage IV colorectal cancer? In the case of stage IV colorectal cancer, both Erbitux (cetuximab) and Vectibix (panitumumab) require RAS gene testing to ensure there are no mutations before they can be used. What are the differences between the two? How...

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...

Oral chemotherapy drugs Hello Dr. Chen, my mother is 86 years old and underwent a right hemicolectomy for a tumor at the end of March. She has now been discharged and is back home. However, the pathology report indicates that although it is stage II, the cell differentiation is p...

Postoperative and chemotherapy monitoring of abnormal CEA levels? Hello Doctor, my mother underwent a colectomy last November, and her CEA level was in the 70s at that time. After the surgery, the level did not decrease. Following the initiation of chemotherapy, the CEA level con...

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...

The issue of colorectal cancer metastasizing to the lungs? Dear Doctor, I would like to ask a few questions. My father was diagnosed with colon cancer 4-5 years ago, which was staged from 1 to 2. He underwent surgery for tumor resection and received approximately 8 months of che...

Breast cancer metastasis to the lungs? Is it possible for breast cancer that has metastasized to the lungs to also metastasize to the liver?

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...

There are laterally developing tumors within the intestine and a malignant intestinal adenoma on the intestinal wall? My father was found to have a lateral type of developing adenoma in the left colon during a colonoscopy on January 28 of this year. The report indicated: "A ...

Confusion about chemotherapy For stage 2B colorectal cancer, is it better to use traditional chemotherapy or oral chemotherapy?

Do I have cancer? Hello, I would like to explain my previous health condition: I usually experience constipation and am prone to diarrhea, which I attribute to irritable bowel syndrome. Sometimes, I notice bleeding during constipation, which I believe is due to hemorrhoids. Recen...

The cancer index for sigmoid colon cancer? Dear Doctor: For a patient with stage 3B sigmoid colon cancer, after surgery, the cancer marker level decreased from over 50 to around 4. Is this a significant reduction? I understand that cancer markers are not always accurate, but a de...

I'm here to help! Please provide the content you would like me to translate? My brother is 51 years old and has stage III colon cancer, along with three malignant tumors in his liver. Initially, the doctors planned to perform surgery on both, but due to concerns about his ab...

How to prevent stoma prolapse? I had colorectal cancer surgery a year and a half ago, and recently I noticed a significant bulge at the left stoma site (it was flat right after the surgery). Could you please advise me on how to prevent further protrusion? I'm quite worried. ...

Enema solution For a patient with a left-sided colostomy after colorectal cancer surgery, using warm tap water for daily enemas may not be appropriate. The concern with using unboiled tap water is the potential presence of bacteria or contaminants that could lead to infections or...

Abdominal small tumor I had surgery for colon cancer about six months ago. There is an area extending about 15 degrees from 8 centimeters below my navel in the lower right abdomen. I can feel three lumps about the size of a pea, located in different positions in the lower right a...

Postoperative care for rectal cancer? In the follow-up after surgery for stage I rectal cancer, which is more effective for accurate diagnosis: colonoscopy or computed tomography (CT) scan? Thank you.

Cancer is indeed classified as a malignant neoplasm. Thank you very much? Subject: Inquiry about the classification of benign tumors that become malignant or undergo changes, and whether they can still be defined as "malignant neoplasms." I am very grateful for your ass...