title: [The relation between prognosis of resected lung cancer and N-factor and its preoperative X-ray diagnosis (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000401:mortality* / Q000601:surgery; D008207:Lymphatic Metastasis / Q000473:pathology*; D008297:Male; D008722:Methods; D008875:Middle Aged; D011379:Prognosis; D011859:Radiography