Images in thorax. The atoll sign.
Walsh
Simon L F
SL
Department of Radiology, Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK. slfwalsh@gmail.com
Roberton
Benjamin J
BJ
D001706:Biopsy; D018549:Cryptogenic Organizing Pneumonia / Q000000981:diagnostic imaging* / Q000473:pathology; D003937:Diagnosis, Differential; D014890:Granulomatosis with Polyangiitis / Q000175:diagnosis; D006801:Humans; D008168:Lung / Q000473:pathology; D008297:Male; D014057:Tomography, X-Ray Computed