Colorectal cancer

Colorectal cancer is a malignant neoplasm originating from the epithelial lining of the large intestine, encompassing either the colon or the rectum

Colorectal cancer is a malignant neoplasm originating from the epithelial lining of the large intestine, encompassing either the colon or the rectum It predominantly develops in older adults, though it also occurs in younger populations, through the gradual malignant transformation of precancerous adenomatous or serrated polyps driven by progressive genetic and epigenetic alterations

It predominantly develops in older adults, though it also occurs in younger populations, through the gradual malignant transformation of precancerous adenomatous or serrated polyps driven by progressive genetic and epigenetic alterations

It predominantly develops in older adults, though it also occurs in younger populations, through the gradual malignant transformation of precancerous adenomatous or serrated polyps driven by progressive genetic and epigenetic alterations Defining clinical features often include occult or overt gastrointestinal bleeding, persistent alterations in bowel habits, iron deficiency anemia, abdominal discomfort, and intestinal obstruction in advanced or metastatic stages

Pathologically, the vast majority of cases are adenocarcinomas that arise in the glandular epithelium of the intestinal mucosa

Defining clinical features often include occult or overt gastrointestinal bleeding, persistent alterations in bowel habits, iron deficiency anemia, abdominal discomfort, and intestinal obstruction in advanced or metastatic stages