title: Author's reply.
authors.affiliation: Department of Radiodiagnosis, South Central Railway Hospital, Secunderabad, Telangana, India. E-mail: kanisri@gmail.com.
authors.forename: Anitha
authors.initials: A
authors.lastname: Mandava
authors.affiliation: Department of Radiodiagnosis, South Central Railway Hospital, Secunderabad, Telangana, India. E-mail: kanisri@gmail.com.
authors.forename: R Prabhakar
authors.initials: RP
authors.lastname: Rao
authors.affiliation: Department of Radiodiagnosis, Yashoda Hospital, Secunderabad, Telangana, India.
authors.forename: D Anjani
authors.initials: DA
authors.lastname: Kumar
authors.affiliation: Department of Surgery, South Central Railway Hospital, Yashoda Hospital, Secunderabad, Telangana, India.
authors.forename: I Shiva Naga
authors.initials: IS
authors.lastname: Prasad