A malignant bone tumor weighing 16.5 kg (36 lb 6 oz) was removed from the right femur of 35-year-old Naresh Kumar (india) by Dr. B.K.S.Sanjay (India) on 10 March 2002 at the Himalayan Institute of Medical Sciences, Swami Ram Nagar, Dehradun, Uttaracghal, India. The tumour had a maximum length of 45 cm (17.7 in) and was 30 cm (11.8 in) wide.