title: Incomplete border sign of extrapleural masses.
mesh_terms: D000328:Adult; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D002813:Chondrosarcoma / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D013902:Radiography, Thoracic; D012272:Ribs / Q000000981:diagnostic imaging*