患者女,60岁,查体拍X线片时发现肺内包块1周。查体:无咳嗽、咳痰、咳血、胸痛等症状,双肺呼吸音清晰。X线片:正位示左肺上叶大小约8 cm×8 cm×10 cm类圆形软组织块影,边缘清晰,呈浅分叶状;侧位病灶位于左肺上叶前段(图1,2);正位病灶断层肿块大小同平片,其内见斑片状钙化影(图3 Female patient, 60 years old, physical examination X-ray film was found in the lung mass 1 week. Physical examination: no cough, expectoration, hemoptysis, chest pain and other symptoms, lung breath sounds clear. X-ray: the anteroposterior diameter of the left upper lobe about 8 cm × 8 cm × 10 cm class round soft tissue block, clear edge, shallow lobulation; lateral lesion located in the anterior segment of the left upper lobe (Figure 1, 2); Orthotopic lesion size of tumor mass with plain film, which see patchy calcification (Figure 3)