The report discusses our 30-year experience with surgical and combined treatment of rectal cancer. In cases of preoperative radiotherapy, loco-regional frequency of relapse dropped to 9.6% as compared with surgery (16.3%). After preoperative thermoradiotherapy it fell to 4.6%; polyradiomodification - 0.5% (3-year follow-up). Distant metastasis formation rates were: after polyradiomodification--1.5%, radiotherapy--9.6%, and thermo-radiotherapy--6%. Recurrence-free survival rates (3 years) were: polyradiomodification--97.3%, thermo-radiotherapy--75.9%, radiotherapy--71.1%, and surgery--58%. Data on regimens and dosage of polyradiomodification alongside radiation damage for different combinations of treatment are presented.
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