Q1) Metastasis which can regress spontaneously in Renal cell carcinoma

a) Lungs

b) Bone

c) Brain

d) Liver

Ans 1) a

RCC are known to regress spontaneously. The over all incidence of this is 0.3 to 1%. Lungs is the most common site to show spontaneous reduction followed by bone.

Majority of these regressions happen after nephrectomy.

Campbell page 1326


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