Colorectal cancer, Gastroenterology and Hepatology FAQ - Page 27

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Understanding Bloating and Gas: Concerns About Colon Cancer Risk

Gastrointestinal tract I often feel bloated in my abdomen and have a sensation of gas movement. I frequently need to burp and pass gas. I have undergone a health check-up, and all results were normal, including carcinoembryonic antigen (CEA) at 0.34 and alpha-fetoprotein (AFP) at...


Dr. Liang Jiade Reply:
Hello, having a family history of cancer is just one of the risk factors for developing cancer. Tumor markers (such as CEA, AFP, etc.) are also only one of the indicators used for screening or monitoring. No single marker can determine a diagnosis. There is no need for excessive ...

[Read More] Understanding Bloating and Gas: Concerns About Colon Cancer Risk


Understanding Colorectal Cancer Stages, Treatments, and Survival Rates

Colorectal cancer 1. Is colorectal cancer staged? 2. How is each stage treated? 3. What are the cure rates for each stage? 4. What is the incidence rate?


Dr. Liang Jiade Reply:
1. Colorectal cancer staging has several classifications, with the most common being the Duke staging system, which divides it into four stages: Stage A is confined to the mucosal layer of the bowel, Stage B indicates that the tumor has penetrated deeper into the bowel wall, Stag...

[Read More] Understanding Colorectal Cancer Stages, Treatments, and Survival Rates


Unusual Lower Abdominal Sensations: Understanding Potential Gastrointestinal Issues

Strange sensations in the lower abdomen? Hello: Two weeks ago, I started feeling some unusual sensations in my lower abdomen; it wasn't pain, but rather a feeling as if something was stirring. This week, I began to experience pain that feels similar to menstrual cramps. Init...


Dr. Yang Peizhen Reply:
Hello: The main organs in the lower abdomen of women include the intestines and gynecological organs. Since your gynecological organs have been examined and found to be normal, the discomfort you are experiencing is likely originating from the intestines. To determine if there is...

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Dealing with Bloating and Diarrhea: Tips for IBS Relief

Bloating is very uncomfortable? Hello, doctor. I am currently studying in the UK, and since last week, I have been experiencing significant bloating and discomfort in my abdomen, along with frequent diarrhea, particularly after meals. The situation has become quite pronounced. La...


Dr. Xu Ruihong Reply:
Based on your age, it is certainly possible to have irritable bowel syndrome (IBS). However, before diagnosing IBS, it is essential to rule out other potential conditions. Common issues in young people include acute gastroenteritis and ulcers. Of course, colorectal cancer can als...

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Understanding Blood in Stool: Causes and Concerns for Your Health

Hematemesis Hello, doctor: I would like to ask... A few days ago, I experienced diarrhea and noticed blood in my stool (bright red blood mixed with the stool). This has occurred one to two times in the past few days, with a small amount mixed in. I had a colon polyp removed two y...


Dr. Cai Junyan Reply:
Hello Nicy: Blood in the stool can be caused by hemorrhoidal bleeding, polyps, colorectal cancer, or inflammatory bowel diseases, among others. It is best to promptly consult a qualified gastroenterologist for a complete colonoscopy. Gastroenterology Specialist, Dr. Tsai Jun-Yan.

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Understanding Bloating: Signs of Serious Gastrointestinal Issues

Abdominal bloating? Doctor, I have recently been experiencing significant abdominal bloating and a loss of appetite. I have bowel movements every two to three days, and some of the stool is dark. Occasionally, I feel nauseous. What are the warning signs of stomach cancer, colon c...


Dr. Yang Peizhen Reply:
Hello: The abdomen is very bloated and there is some dark-colored stool, which is usually caused by constipation leading to excessive fecal matter. The initial portion of the stool tends to be darker in color. The likelihood of young people developing colorectal cancer is very lo...

[Read More] Understanding Bloating: Signs of Serious Gastrointestinal Issues


Understanding Left Lower Abdominal Discomfort: Possible Causes and Next Steps

Discomfort in the lower abdomen? Hello Dr. Yang, I have a question that I hope you can help me with or provide some advice. I have a history of irritable bowel syndrome during high school, but I recovered after entering the workforce. There is no family history of colorectal ca...


Dr. Yang Peizhen Reply:
Hello: The causes of discomfort in the lower left abdomen, aside from gynecological organs, can be related to the intestines. If it occurs regularly every month and is associated with menstruation, it may be due to endometriosis affecting the intestines or simply the stimulation ...

[Read More] Understanding Left Lower Abdominal Discomfort: Possible Causes and Next Steps


Red Substance After Bowel Movement: What Could It Be?

Noticing red substances after bowel movements?! I have a question: My 26-year-old daughter has no family history of colorectal cancer. She has been experiencing diarrhea for the past few days, and on several occasions, she noticed small red spots resembling tomato skin or chili s...


Dr. Xu Ruihong Reply:
I suspect that the most likely cause of the bleeding (in small amounts) is hemorrhoids or anal fissures.

[Read More] Red Substance After Bowel Movement: What Could It Be?


Could Black Stool Indicate Colon Cancer? Understanding Test Results

Is it possible to have colon cancer? Hello Doctor: I tend to be a bit anxious, so when I noticed my stool color was somewhat dark (not completely black), I became very worried and consulted a gastroenterologist. The doctor indicated that I have hemorrhoids, but I still felt uneas...


Dr. Yang Peizhen Reply:
Hello! The stool color is somewhat black, and the fecal occult blood test is positive. Some potential interfering factors (such as blood-containing meat, pig's blood, chicken blood, or duck blood) have been ruled out. This usually raises suspicion for gastrointestinal bleedi...

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Understanding Rectal Bleeding: Is It Hemorrhoids or Something More Serious?

In the past three days, every time I have a bowel movement, I have been experiencing bright red blood during bowel movements for the past three days, without straining. After finishing, I feel a bit weak in the anal area, similar to the sensation after diarrhea. Could this be a s...


Dr. Xu Ruihong Reply:
Your condition could potentially be due to hemorrhoidal bleeding, anal fissures, or colitis. Of course, there is also a possibility of colorectal cancer, but based on your history, the likelihood is relatively low. It is recommended that you consult a gastroenterologist for a tho...

[Read More] Understanding Rectal Bleeding: Is It Hemorrhoids or Something More Serious?


Understanding Post-Polypectomy Bleeding: Causes and Next Steps

Colonoscopy polypectomy? My younger sister underwent a colonoscopy due to prolonged abdominal discomfort, during which polyps were discovered and removed. However, one day after the procedure, she experienced bleeding and required eight bags of blood (including hemoglobin). What ...


Dr. Yang Peizhen Reply:
Hello! Colorectal polyps can be precursors to colorectal cancer, so if polyps are discovered, it is essential to remove them. With advancements in endoscopic techniques, polypectomy can now be performed using a colonoscope, which has the advantage of not requiring general anesthe...

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Understanding Rectal Bleeding: Causes and Concerns When Squatting

Bleeding occurs when squatting? Hello! I would like to ask you a question. My husband experiences significant fresh blood from the anus when squatting, about twice a month, and it is not painful. This mostly occurs at night. Is this an issue related to the intestines or the anus?...


Dr. Yang Guojun Reply:
This is a minor symptom, but it may be hiding a significant issue, such as colorectal cancer. Please undergo a quick and simple sigmoidoscopy examination.

[Read More] Understanding Rectal Bleeding: Causes and Concerns When Squatting


Changes in Stool Size and Consistency: Understanding Digestive Health Issues

The stool is different from before? 1. Over the past year, my stools have become thinner and smaller. 2. I often experience constipation or diarrhea.


Dr. Xie Wenhuai Reply:
Everyone has different bowel habits; some people have a bowel movement once a day, while others may have one to two times a day, and these variations are generally acceptable. However, if you notice that your stools have become thinner and you experience alternating constipation ...

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Could Blood in Stool Indicate Cancer in a 19-Year-Old?

Am I having cancer? I am a 19-year-old girl. Recently (on the evening of March 7, for two consecutive days), I noticed blood in my stool, and the blood is bright red. Last year, in May 2001, I also experienced rectal bleeding (but it occurred intermittently). Just like this time,...


Dr. Xu Ruihong Reply:
Hello, based on your symptoms, it is more likely that you have hemorrhoids. Given your younger age, the chance of having cancer is low. However, colorectal cancer cannot be completely ruled out, so a colonoscopy can be performed to confirm the diagnosis. You should still focus on...

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Daily Blood in Stool: Causes and When to Seek Medical Help

I have been experiencing bloody stools every day recently? I have been experiencing a lot of bleeding during bowel movements every day. At first, I thought my period had started, as the blood comes out in a spray and flows, accompanied by abdominal pain.


Dr. Yang Guojun Reply:
Your condition is indicative of lower gastrointestinal bleeding. The possible causes, ranked by incidence, include hemorrhoidal bleeding, anal fissure bleeding, colitis, or colorectal cancer. You may consider arranging for a sigmoidoscopy to determine the underlying cause.

[Read More] Daily Blood in Stool: Causes and When to Seek Medical Help


Understanding Early Stage Colon Cancer: Symptoms, Treatment, and Care

Early-stage colorectal cancer issues? Hello Dr. Chen, I have some questions regarding early-stage colorectal cancer that I would like to ask you: A. Symptoms: In mid-August, my mother tested positive for colorectal cancer through a stool test. Subsequently, she underwent a colo...


Dr. Chen Shidian Reply:
Hello everyone: Early-stage colorectal cancer has a metastasis rate of less than 10%. In the past, surgical resection was considered, but the cost of surgery is quite high. Currently, colonoscopy with polypectomy is also a viable option; however, the depth of the lesions can be d...

[Read More] Understanding Early Stage Colon Cancer: Symptoms, Treatment, and Care


Blood in Stool: Understanding Constipation and Gastrointestinal Issues

Blood in the stool?! Hello, Doctor: I would like to ask about my sister. She often has bowel movements every 4 to 5 days or longer, and her stools are sometimes blood-stained. She says there is no pain in her anus, so it shouldn't be a case of anal fissures. What could this ...


Dr. Yang Guojun Reply:
You may be experiencing constipation with hard stools, which can cause tears and bleeding in the anal mucosa during straining. This type of bleeding is different from that associated with colitis or colorectal cancer; you typically notice one or two drops of bright red blood in t...

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Understanding Chronic Diarrhea: Symptoms, Causes, and Treatment Options

Chronic diarrhea does not present any inappropriate symptoms? Hello Doctor, I have some health concerns I would like to ask you about. I have been experiencing chronic diarrhea for the past three months without any other concerning symptoms. Each time I use the restroom, it takes...


Dr. Yang Guojun Reply:
Your symptoms require a colonoscopy (although the results may be normal) to rule out the possibility of colitis or colorectal cancer. Additionally, for hepatitis B, it is important to have regular follow-up blood tests and ultrasound examinations every six months. For the treatme...

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Can Cancer Be Transmitted Between Family Members Through Blood?

Can cancer be transmitted? If person A and person B are direct blood relatives, can cancer from person A be transmitted to person B through blood, regardless of the presence of tumors?


Dr. Yang Guojun Reply:
Cancer is not contagious; however, its causes often involve bacterial or viral infections, or genetic predispositions (such as the presence of oncogenes). This can lead to familial clustering, meaning that family members living together may be exposed to the same pathogenic organ...

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