Intratumoral fat or calcification , satellate lesions ,thick or long spicules, moderate or marked pleural adhesions,scallop-shaped contour were the common findings of benign lesions.

• 上述表现与良性病变有显著统计学差异。而结节内脂肪、卫星病灶、粗长毛刺、钙化、胸膜增厚粘连、浅分叶以良性为常见。