[On a case of perforated echinococcal cysts in the esophagus, with successive appearance of a tumor in the same portion of the esophagus].
D003560:Cysts; D004443:Echinococcosis / Q000150:complications*; D004938:Esophageal Neoplasms; D004947:Esophagus; D006801:Humans; D009369:Neoplasms
ECHINOCOCCOSIS/complications; ESOPHAGUS/neoplasms