A 32-year-old male patient is to undergo radiation therapy to the pelvic area for Hodgkin’s lymphoma. He expresses concern to the nurse about the effect of chemotherapy on his sexual function. The best response by the nurse to the patient’s concerns is
The impact on sperm count and erectile function depends on the patient’s pretreatment status and on the amount of exposure to radiation. 
The patient should consider sperm donation before radiation. 
Radiation (like chemotherapy or surgery) may affect both sexual function and fertility either temporarily or permanently.