Primary malignant nodule. Variation in size with pulmonary venous pressure.
D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging*; D006333:Heart Failure / Q000150:complications; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D010996:Pleural Effusion; D011667:Pulmonary Veins; D011859:Radiography; D003074:Solitary Pulmonary Nodule / Q000000981:diagnostic imaging*; D014690:Venous Pressure