Doctor please need help
My brother is 28 years old. He is undergoing treatment of Rectal cancer Stage II. Chemotherapy has been completed. Now Radiation is started this ll remain continue for 6 week. Doctor said that after radiation he ll loss fertility. He ll not become father. We have plan of his marriage after treatment of cancer.
Please need your advice. Is there any way to bring back fertility or is this infertility is permanant? Please need your help