We analised, in autopsies, the occurrence oj esophagic carcinoma in non-chagasic patients and in chagasic ones with and without megaesophagus. The frequency of esophagic carcinoma was significantly higher in patients with megaesophagus than in Controls and chagasic patients without megaesophagus. The association between carcinoma oj the esophagus and chagasic injection per se was not statistically significant.
Megaesophagus; Carcinoma of esophagus; Chagas disease; Cancer; Autopsies