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  2. Histopathology of colorectal adenocarcinoma - Wikipedia

    en.wikipedia.org/wiki/Histopathology_of...

    Appearance of the inside of the colon showing one invasive colorectal carcinoma (the crater-like, reddish, irregularly shaped tumor) Gross appearance of a colectomy specimen containing two adenomatous polyps (the brownish oval tumors above the labels, attached to the normal beige lining by a stalk) and one invasive colorectal carcinoma (the ...

  3. Adenocarcinoma - Wikipedia

    en.wikipedia.org/wiki/Adenocarcinoma

    The adenoma, lacking the "carcinoma" attached to the end of it, suggests that it is a benign version of the malignant adenocarcinoma. The gastroenterologist uses a colonoscopy to find and remove these adenomas and polyps to prevent them from continuing to acquire genetic changes that will lead to an invasive adenocarcinoma.

  4. Signet ring cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Signet_ring_cell_carcinoma

    Signet ring cell carcinoma (SRCC) is a rare form of highly malignant adenocarcinoma [1] that produces mucin. It is an epithelial malignancy characterized by the histologic appearance of signet ring cells .

  5. Gastrointestinal intraepithelial neoplasia - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal...

    Gastrointestinal dysplasia refers to abnormal growth of the epithelial tissue lining the gastrointestinal tract including the esophagus, stomach, and colon. Pancreatic, biliary, and rectal Intraepithelial Neoplasia are discussed separately. The regions of abnormal growth are confined by the basement membrane adjacent to the epithelial tissue ...

  6. Colorectal adenoma - Wikipedia

    en.wikipedia.org/wiki/Colorectal_adenoma

    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.

  7. Colorectal cancer - Wikipedia

    en.wikipedia.org/wiki/Colorectal_cancer

    Colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine). [5] Signs and symptoms may include blood in the stool , a change in bowel movements , weight loss, abdominal pain and fatigue. [ 9 ]

  8. Colorectal polyp - Wikipedia

    en.wikipedia.org/wiki/Colorectal_polyp

    In carcinoma in situ (Tis): cancer cells invading into the lamina propria, and may involve but not penetrate the muscularis mucosae. Can be classified as "high-grade dysplasia", because prognosis and management are essentially the same. [10] Invasive adenocarcinoma: Extending through the muscularis mucosae into the submucosa and beyond. [10]

  9. Gastrointestinal cancer - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_cancer

    There are two main types of esophageal cancer—adenocarcinoma and squamous cell carcinoma. Worldwide, the incidence of each type is about the same, but in developed countries like North America and Europe adenocarcinoma is the more common. [4] Cancer of the esophagus is often detected late inasmuch as there are typically no early symptoms.