INFO/WWW-LINKS: The onset of difficulty in swollowing (progressing from solids to liquids) rises the suspicion of esophageal cancer (2). Two-thirds of all patients with esophageal cancer are male. These tumors are predominantly squamous cell carcinomas - except at the lower end of the oesophagus (adenocarcinoma). Typs of esophageal carcinoma. Differential diagnosis