Mohd Ilyas1, Zubair Ahmad2, Arshed Hussain Parry2. 1. Department of Radiodiagnosis, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, 190011, India. ilyasmir40@gmail.com. 2. Department of Radiodiagnosis, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, 190011, India.