This man has dermatomyositis, a paraneoplastic phenomenon of many cancers. The most common tumors associated with DM have been bronchogenic carcinomas, ovarian cancers, breast cancers, and melanoma but many others have occurred. The malignancy may antedate or postdate the myositis. Older age makes malignancy more likely. The extent of the workup for malignancy, if DM is the presentation, depends on clinical circumstances, but history and physical examination, not x-rays, are the cornerstones of evaluation.