title: Malignant interstitial cell tumour of the testis.
mesh_terms: D001859:Bone Neoplasms / Q000473:pathology / Q000556:secondary; D006801:Humans; D007984:Leydig Cell Tumor / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012272:Ribs; D013736:Testicular Neoplasms / Q000473:pathology*