Yadala Ganesh1, Vivek Yadala2, Bhavana Vemula2, Nalini Y Kammela3. 1. Department of General Medicine/Internal Medicine, Apollo Hospitals, Hyderabad, India. 2. Department of Internal Medicine, Apollo Hospital, Hyderabad, India. 3. Department of Radiation Oncology, Apollo Hospitals, Hyderabad, India.