title: 'Double-arch' sign and 'air-bubble' sign--two radiological signs of ruptured hydatid cyst in lung.
authors: Anirban
authors: A
authors: Sarkar
authors: Anirban
authors: A
authors: Das
authors: Sibes Kumar
authors: SK
authors: Das
authors: Soumya
authors: S
authors: Das
mesh_terms: D004445:Echinococcosis, Pulmonary / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012422:Rupture, Spontaneous; D014057:Tomography, X-Ray Computed