A large left renal mass, with intermediate T2 signal and no drop of signal on T1-out-of-phase sequence excluding fat content. It shows post-contrast enhancement with necrotic core, It is invading the pelvicalyceal system and left renal vein with a tumour thrombus extending to the inferior vena cava till its hepatic segment. Ipsilateral renal hilar and para-aortic lymphadenopathy noted.