There are various causes for penile lumps. This can include a cyst, thrombosed penile vein, or less likely, cancer.
I agree with the physician evaluation. A urology referral can also be considered.
A penile ultrasound can image the lesion and give a more definitive diagnosis.
This option can be discussed with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
kevinmd_