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  • Title: Local excision and chemoradiation for low rectal T1 and T2 cancers is an effective treatment.
    Author: Le Voyer TE, Hoffman JP, Cooper H, Ross E, Sigurdson E, Eisenberg B.
    Journal: Am Surg; 1999 Jul; 65(7):625-30; discussion 630-1. PubMed ID: 10399970.
    Abstract:
    Lesions located in the distal third of the rectum are usually treated with abdominoperineal resection or a low anterior resection with a coloanal anastomosis. However, in a select group of patients with favorable histology and a low probability of lymphatic spread, sphincter-sparing procedures will afford long-term disease-free survival and cure without the need for extensive, complicated surgery. We performed a 10-year retrospective review, including pathologic examination of specimens by a single pathologist, in an attempt to identify factors associated with a decreased disease-free survival. Thirty-five patients (median age, 71 years; range, 48-88) with low rectal carcinomas were treated with full-thickness disc excision (with or without chemoradiation), with curative intent. Median follow-up was 46 months (range, 8-120). There were 15 T1, 16 T2, and 4 T3 lesions. Tumors with poor histologic factors or greater than T1 received adjuvant radiation (with or without 5-fluorouracil). Four patients developed a local failure at a median of 21.5 months (range, 9-30) and were salvaged with abdominoperineal resection. The 5-year cancer-specific survival was 91 per cent. Negative margins approached statistical significance (P < 0.07) in influencing local control. We conclude that, when combined with chemoradiation for lesions deeper than submucosa or with adverse histologic factors, local resection of rectal cancer is an effective treatment in selected patients.
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