Biochemistry - University of Arizona

Pathology. Lecture 46 Intestinal Neoplasms. ... carcinoid tumors may be confined to the mucosa and submucosa or may be malignant in behavior with the invasion and metastatic spread to regional lymph nodes and the liver. Benign and malignant tumors cannot be differentiated histologically, but rather by site of origin, with appendix and rectum ... ................
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