According to the sequence of colorectal including anatomy cecum, ascending colon, transverse colon, descending colon, sigmoid colon and rectum. Clinical bowel habits that ileal to above the mid-point for the right colon, The midpoint of the following to the end of the left colon rectum. Symptoms of colorectal cancer occurred to vary the location, systemic symptoms are anemia, lack of appetite, abdominal discomfort.
Right colon cancer: lower abdominal pain, diarrhea, constipation or both alternately, such as black soiled. Also in the right abdomen with palpable mass and tenderness. Left colon cancer: A stool habits change mainly manifested as increased frequency of stool. A brown stool and mucus. Left colon lumen for the bulk of the content, because intestinal tumor changed to narrow not passed, will cause abdominal distention, constipation, pains, and so on, there will be serious intestinal obstruction. Colorectal cancer: because from the anus very close, and there are early fall of anal discomfort and a sense and a small amount of mucus, thus thinning stool, there will be serious only with mucus stool, urine sluggish first, and so on, will be the last obstruction. Patients with advanced cancer to the liver, lung, bone, ovarian transfer, can also be transferred to the neck lymph nodes, this raises a number of symptoms, such as liver, ascites, cough, sputum blood, bone pain of metastatic lymph nodes and the supraclavicular such swelling.
Right colon cancer: lower abdominal pain, diarrhea, constipation or both alternately, such as black soiled. Also in the right abdomen with palpable mass and tenderness. Left colon cancer: A stool habits change mainly manifested as increased frequency of stool. A brown stool and mucus. Left colon lumen for the bulk of the content, because intestinal tumor changed to narrow not passed, will cause abdominal distention, constipation, pains, and so on, there will be serious intestinal obstruction. Colorectal cancer: because from the anus very close, and there are early fall of anal discomfort and a sense and a small amount of mucus, thus thinning stool, there will be serious only with mucus stool, urine sluggish first, and so on, will be the last obstruction. Patients with advanced cancer to the liver, lung, bone, ovarian transfer, can also be transferred to the neck lymph nodes, this raises a number of symptoms, such as liver, ascites, cough, sputum blood, bone pain of metastatic lymph nodes and the supraclavicular such swelling.