Melphalan is used in
Multiple myeloma
Wilm's tumour
Neuroblastoma
Retinoblastoma
Ans. is 'a' i.e., Multiple myeloma Melphalan is an anticancer (alkylating) agent which is most effective in multiple myeloma.Most common toxicity of Melphalan is Bone marrow toxicity.
Anti-Neoplastic Agents