[Association of cancer and megaesophagus in 2 brothers].
D004931:Esophageal Achalasia / Q000150:complications*; D004938:Esophageal Neoplasms; D006801:Humans; D008297:Male; D009369:Neoplasms; D035781:Siblings
CARDIOSPASM/complications; ESOPHAGUS/neoplasms