Renal cell carcinoma-: (A) Invades Renal Vein, (B) Hematuria usually absent, (C) Arises from proximal convoluted tubule, (D) More common in females
Answer is A. RCC commonly arise from the poles of the kidney as a solitary and unilateral tumor,more often in upper pole.The tumor has slight male preponderance(2:1).One significant characteristic is the presence of tumor thrombus in the renal vein which may extend into the vena cava.The clinical features include a triad of gross hematuria ,flank pain,palpable abdominal mass. From Textbook of pathology HarshMohan ,7th edition pg no:681,682