title: Pipe-cleaner sign.
authors.affiliation: Department of Radiology, Institute of Liver and Biliary Sciences, New Delhi, India. E-mail: E-mail: binitsurekapgi@gmail.com.
authors.forename: Binit
authors.initials: B
authors.lastname: Sureka
authors.affiliation: Department of Radiology, Institute of Liver and Biliary Sciences, New Delhi, India. E-mail: E-mail: binitsurekapgi@gmail.com.
authors.forename: Kalpana
authors.initials: K
authors.lastname: Bansal
authors.affiliation: Department of Oncology, Institute of Liver and Biliary Sciences, New Delhi, India.
authors.forename: Dipanjan
authors.initials: D
authors.lastname: Panda
authors.affiliation: Department of Pulmonary Medicine, Institute of Liver and Biliary Sciences, New Delhi, India.
authors.forename: Sachin
authors.initials: S
authors.lastname: Kumar