title: Mismatched ventilation-perfusion defect in a case of bronchogenic carcinoma.
mesh_terms: D001984:Bronchial Neoplasms / Q000503:physiopathology*; D002294:Carcinoma, Squamous Cell / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014692:Ventilation-Perfusion Ratio