title: Parasternal mass.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000150:complications*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009101:Multiple Myeloma / Q000150:complications* / Q000473:pathology; D010954:Plasmacytoma / Q000150:complications* / Q000473:pathology; D013249:Sternum / Q000473:pathology*