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Large ill-defined heterogeneous soft tissue mass is seen centred on the left posterior pararenal space. It infiltrates the transversalis fascia, muscles of the posterior abdominal wall, infiltrates the left psoas muscle and medial aspect of the left kidney, and displaces the left kidney forward and upward. The mass shows minimal enhancement with extensive central necrosis. Hepatosplenomegaly, adrenal gland enlargement, and para-aortic lymph nodes are other findings.