Fig. 4From: Birt–Hogg–Dubé syndrome: a literature review and case study of a Chinese woman presenting a novel FLCN mutationChest CT scan with pulmonary pseudotumor. a Previous CT scan shows a fibrous change in the same slice. b The present CT scan shows a 2.8 cm × 2.3 cm pulmonary solid lesion with irregular margins and adjacent pleural thickness. c, d Corresponding mediastinal windowBack to article page