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The signs and symptoms of colorectal cancer depend on the location of the tumor in the bowel, and whether it has spread elsewhere in the body ().The classic warning signs include: worsening constipation, blood in the stool, decrease in stool caliber (thickness), loss of appetite, loss of weight, and nausea or vomiting in someone over 50 years old. [15]
Doctors removed a baseball-sized tumor from his abdomen in October 2016 and discovered that the cancer had already spread. Doctors say it can be awkward for patients to discuss the symptoms.
The colorectal adenoma is a benign glandular tumor of the colon and the rectum. It is a precursor lesion of the colorectal adenocarcinoma (colon cancer). [1] [2] [3] They often manifest as colorectal polyps.
Adenocarcinoma is a malignant epithelial tumor, originating from superficial glandular epithelial cells lining the colon and rectum. It invades the wall, infiltrating the muscularis mucosae layer, the submucosa, and then the muscularis propria. Tumor cells describe irregular tubular structures, harboring pluristratification, multiple lumens ...
A new study in Gut found that colon cancer tumors have an imbalance of inflammatory and anti-inflammatory lipids, which suggests that chronic inflammation could raise the risk of colorectal cancer.
A newly identified subspecies of bacteria may drive aggressive colon cancer growth. ... which appears to shield tumor cells from cancer-fighting drugs, was found in 50% of the tumors tested in the ...
A sessile serrated lesion (SSL) is a premalignant flat (or sessile) lesion of the colon, predominantly seen in the cecum and ascending colon. SSLs are thought to lead to colorectal cancer through the (alternate) serrated pathway. [1] [2] This differs from most colorectal cancer, which arises from mutations starting with inactivation of the APC ...
The study, published December 10 in the journal Gut, examined 162 tumor samples from people with colorectal cancer. The findings indicate the lipid profile of colorectal cancer tumors exhibit a ...