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There is clear evidence from two systematic reviews that radiotherapy (RT) reduces the risk of local recurrence in patients with resectable rectal cancer, though the data on survival are still equivocal.To assess the effects of chemotherapy combined concomitantly with radiotherapy (CRT) on the increase of overall survival, and on the prevention of local recurrence and distant metastases.Computerized...
The benefit of external radiotherapy for gastric carcinoma has been extensively studied, but data on survival are still equivocal.To assess the effectiveness of surgery combined with preoperative radiotherapy or postoperative chemoradiotherapy in the reduction of all-cause mortality in patients with resectable gastric carcinoma.Computerised bibliographic searches of MEDLINE and CANCERLIT (1970–2006)...
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