[Studies on preoperative clinical risk and surgical curability in patients with cancer of the esophagus (author's transl)].
D000328:Adult; D000367:Age Factors; D000368:Aged; D004938:Esophageal Neoplasms / Q000401:mortality / Q000601:surgery*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008722:Methods; D008875:Middle Aged; D011183:Postoperative Complications; D012737:Sex Factors