<prompt> RET gene mutation is associated with which malignancy -PheochromocytomaMedullary carcinoma thyroidLymphomaRenal cell carcinoma  <response>: Ans. is b i.e., Medullary carcinoma thyroid o RET p ratoon cumene is a growth factor receptor receptor tyrosine kinaseo The RET protein Is a receptor for the glial cell lined derived neurotrophic factor and structurally related proteins that promote cell survival during neural development. 