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Rectum
Pronunciation
Definition 1
The last several inches of the large intestine closest to the anus. (NCI Dictionary)
Definition 2
The terminal portion of the gastrointestinal tract, extending from the rectosigmoid junction to the anal canal. (NCI Thesaurus)
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Surgical removal part or all of the sigmoid colon, and part or all of the rectum.
An infiltrating adenocarcinoma arising from the rectosigmoid area. It is characterized by the presence of malignant glandular cells with prominent intracytoplasmic…
The area where the sigmoid colon joins the rectum.
A benign or malignant neoplasm that affects the rectosigmoid region. Representative examples of benign neoplasms include lipoma and leiomyoma. Representative…
An invasive adenocarcinoma of the rectosigmoid area characterized by the presence of pools of extracellular mucin. Malignant glandular epithelial cells are…
A portion of the large intestine that includes the descending colon, sigmoid colon and rectum.
