Spontaneous regression of malignant tumor is feature of -: (A) Neuroblastoma, (B) Renal cell carcinoma, (C) Burkitt' s lymphoma, (D) Wilm's tumour
Answer is A. Ans. is 'a' i.e., Neuroblastoma Both, Neuroblastoma and Renal cell carcinomas show spontaneous regression. But, the answer is Neuroblastoma because it has greater tendency to regress spontaneously than renal cell carcinoma.