Surgical management of locally advanced adenocarcinoma of the rectum

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Abstract
Approximately 5% of rectal cancers are locally advanced with adherence to the vagina, uterus, bladder, prostate, or other structures. Sacral involvement is fortunately rare in primary cancers. In about 50% of patients there is histologic confirmation of tumor invasion in the area of adherence. It is important to recognize the nature of these tumors pre‐operatively so that the patient can be prepared for an exenterative procedure should this be necessary. When these tumors are removeden bloc, 5‐year survival rates of 50% can be obtained with survival depending on the presence or absence of regional metastasis and also the presence or absence of histologic tumor invasion into adjacent structures.