[The relation of esophageal cancer to the lower respiratory tract].
D001980:Bronchi; D001999:Bronchoscopy; D004938:Esophageal Neoplasms; D006801:Humans; D012142:Respiratory Tract Neoplasms
BRONCHOSCOPY; ESOPHAGUS/neoplasms; RESPIRATORY TRACT/neoplasms
Uber die Beziehungen des Speiseröhrenkrebses zu den tiefen Luftwegen.