title: Roentgenogram of the month. Splenomegaly, apparent left atrial enlargement, and normal right heart catheterization.
mesh_terms: D000328:Adult; D006332:Cardiomegaly / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006325:Heart Atria; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000000981:diagnostic imaging*; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography