Spontaneous regression of malignant tumor is feature of -
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.
Neuroblastoma
Renal cell carcinoma
Burkitt' s lymphoma
Wilm's tumour