The collar sign.
Agrawal
K B
KB
Department of Respiratory Medicine, BYL Nair Ch Hospital, Mumbai Central, Maharashtra, 400 008 India.
Kamble
R T
RT
Sundaram
P
P
Joshi
J M
JM
D000328:Adult; D006549:Hernia, Diaphragmatic, Traumatic / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed; D014949:Wounds, Nonpenetrating / Q000000981:diagnostic imaging*