Answer- C (Renal cell carcinoma)MC type of RCC, mainly sporadica.Spread:Characteristic feature of RCC is tendency to invade renal vein. Fuher extension produces a continuous cord of tumor in IVC and even in right side of hea.MC route is hematogenousMC sites of distant metastasis are lungs (cannon ball deposits and pulsating secondaries) Q> bone> liver> brain.Lymphatic spread occurs when tumor extends beyond renal capsule.Response to biological response modifiers (IL-2 and lFN-alpha)MC and consistent presentation is hematuriaClassical triad of gross hematuria, abdominal mass and pain is seen in 10% cases
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