title: A thought about cannon ball shadows.
authors.forename: P D
authors.initials: PD
authors.lastname: Kumar
authors.forename: K G
authors.initials: KG
authors.lastname: Chandrasekharan
mesh_terms: D001921:Brain / Q000000981:diagnostic imaging*; D001932:Brain Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging / Q000556:secondary*; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D011859:Radiography