Colorectal cancer, Gastroenterology and Hepatology FAQ - Page 9

What are the related issues regarding fecal occult blood testing? Thank you for the doctor's response. So, polyps smaller than 1 cm cannot be detected, but polyps larger than 1 cm are benign. Does this mean that polyps smaller than 1 cm are likely to progress to colorectal c...

Can fecal occult blood testing detect the presence of polyps? Today, I followed your advice and took a fecal occult blood test. When I asked the doctor some related questions, I was taken aback by his response. He said that the fecal occult blood test cannot determine whether the...

Can fecal occult blood testing detect the presence of polyps? Hello doctor, I understand the accuracy of fecal occult blood testing for colorectal cancer. Can fecal occult blood testing detect colorectal cancer in the absence of polyps? Thank you for your response.

Inquire about the issue of bloating and changes in stool diameter? I would like to ask the doctor a few questions. Twelve days ago, before the Lunar New Year, I had a big meal at a hot pot restaurant and used about half a jar of satay sauce. After returning home, I started experi...

Mucus in stool A few weeks ago, I suddenly experienced only mucus during bowel movements and persistent bloating. My stools were soft at that time. I visited a general clinic, and the doctor mentioned it was mild gastroenteritis, but I did not experience any abdominal pain or sym...

Symptoms of colorectal cancer? During high school, I often experienced blood in my stool (the stool was very hard and the blood was bright red). After starting college, my sleep schedule and diet became irregular. Recently, over the past month, I've been experiencing frequen...

The stool has become thinner, and there are occasional feelings of abdominal pain? I would like to ask about my situation. A doctor previously diagnosed me with an anal fissure, but after more than a year, I have recently been experiencing frequent abdominal pain, specifically in...

Blood on toilet paper after wiping? Hello Doctor, I had my first colonoscopy in October last year, during which two 2 cm polyps were removed (tubular adenomas), one was benign and the other was highly differentiated atypical. In November of the same year, I had another colonoscop...

Green stool Hello Doctor, I have been experiencing autonomic nervous system dysregulation for the past year or two, often feeling anxious. For about six months, I have noticed that my stool occasionally appears yellow-green or dark green, and in the last week or two, I have also ...

Questions related to diverticulitis? Hello Doctor, I discovered in my company's health check report in January 2019 that I had a positive fecal occult blood test with a level of 200. However, I did not undergo a colonoscopy and later went abroad. Prior to this, I had never e...

Blood in the stool? The patient has a history of internal hemorrhoids and has experienced constipation since childhood, often passing hard stools every 3 to 5 days. Recently, the patient noticed that the stool was dark brown and hard, with one of the larger stools having a red di...

Liver enzyme levels in the red? My mother was diagnosed with stage 3A rectal cancer last year and completed chemotherapy earlier this year. However, her liver function tests have consistently shown elevated levels, with recent results in the 70s, compared to over 40 in previous m...

Bowel issues and abdominal pain? Since last year, I have frequently experienced abdominal cramps after breakfast, followed by diarrhea. This issue seemed to disappear after nearly a year. However, two months ago, I started staying up late every day to finish assignments, and I be...

Bowel issues Hello Doctor, I am 20 years old. I was recently diagnosed with diverticulitis and have been taking antibiotics for four days, three times a day after meals. Over the past few days, I sometimes wake up in the morning and have a bowel movement, and then feel the urge t...

Stool diameter Is stool that is approximately the thickness of a marker considered thin? How thin does stool need to be to be considered thin enough to warrant attention and further examination? Sometimes I pass stool that is about the size of a whiteboard marker, and it is quite...

Bowel movement frequency Hello Doctor, I am 20 years old. My usual bowel movement frequency was about once every three days, taking one to two minutes, with stool thickness exceeding that of a banana. Around September 15 of this year, I experienced vomiting at night and was taken...

Colonoscopy expiration date Hello, doctor. Due to long-term constipation and recently experiencing occasional red blood in my stool (attached to the stool), along with a family history of colorectal cancer, I am reconsidering whether I need to undergo another colonoscopy. I had a...

There is blood on the toilet paper? Hello doctor, two days ago I experienced persistent pain in my lower left abdomen. Today, during my first bowel movement, there was no blood. However, during my second bowel movement, I noticed orange-red blood on the wet wipes, accompanied by ...

Gastrointestinal issues Hello Doctor: I am 19 years old and have been experiencing long-term gastrointestinal discomfort since I was about 16. I have visited multiple clinics, and over a year ago, I underwent an endoscopy at a municipal hospital, but no issues were found. However...

Gastrointestinal issues Hello Dr. Yang: I have been experiencing abdominal discomfort for almost half a month now. I have visited three different clinics, and the doctors have given me different opinions, but my symptoms have been consistent. Feeling that something was wrong, I w...