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Treatment of local recurrence of rectal cancer
Background:
Treatment of local recurrence of rectal cancer remains a challenge. Preoperative irradiation and total mesorectal excision halve the risks of local failure, but increase morbidity and even mortality. The results of re-resection of recurrent rectal cancer suggest need to reexamine therapeutic strategies for initial treatment.
Methods:
Seventy-one patients operated on for rectal carcinoma without radiotherapy developed local recurrence (29 with metastatic disease). Thirty underwent a curative re-resection (8 had combined resection of metastases).
Results:
The incidence of asymptomatic recurrence was higher after anterior resection (38%) than after abdominoperineal resection (16%). The actuarial 5-year survival rate was 19%; 28% in asymptomatic patients and 8% in symptomatic (P = 0.04).
Conclusions:
Early detection of recurrence of rectal cancer leads to an improved re-resection rate and survival. In patients who did not undergo radiotherapy at the time of the original resection, re-resection can be achieved safely. The place for radiation in the treatment of rectal cancer must be redefined.