title: Case 22-1985; an 88-year-old man with a pleural effusion.
mesh_terms: D000368:Aged; D001706:Biopsy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D010996:Pleural Effusion / Q000175:diagnosis*; D013899:Thoracic Neoplasms / Q000175:diagnosis; D014396:Tuberculosis, Pleural / Q000175:diagnosis*