<s>[INST] My Father Ultrasonography report shows left Kidney-1.7 x 9.6 cms size large well marginated heterogeneous mass lesion seen at the upper pole of left kidney with multiple retroperitoneal lymphadenopathy .Rest of the renal parenchyma appears normal with small cyst. Floating echoes seen in the left renal vein & IVC. [/INST] hi, welcome to hcm thanks for the query it appears to be renal cell carcinoma. you consult  an Oncologist   there is also need help for a nephrologist . its simultaneous coordinated action by the both take care </s>