Commonest malignancy in renal transplant recipient is: (A) Skin cancer, (B) Renal cell carcinoma, (C) Non hodgkins lymphoma, (D) Hodgkins lymphoma
Answer is A. Cancers seen in renal transplant recipients in decreasing order are:

Skin cancer > Lymphoma > Kaposi's Sarcoma > Ca Cervix > Renal tumors > Ca Vulva & perineum.