Multiple myeloma presenting as thoracic plasmacytoma – Two rare cases

Multiple myeloma (MM) is a clonal proliferation of plasma cells with multiple osteolytic lesions. Multiple myeloma in the thorax is relatively uncommon. Hereby, we present 2 cases of multiple myeloma involving the thorax (1) in a 55 years old nonsmoker, female (2) and in a 45-years-old, smoker, male.