title: Clinicopathological conference. Primary renal or pulmonary tumor--a diagnostic dilemma.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology* / Q000556:secondary; D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D008175:Lung Neoplasms / Q000556:secondary; D008297:Male; D008875:Middle Aged; D013160:Splenic Neoplasms / Q000556:secondary