Penile Cancer Recurrence: What to Ask

Recurrence is not one event, and the location decides almost everything about the response.

Local recurrence means cancer back on the penis itself, at or near the original site. Regional recurrence means cancer in the inguinal, or groin, lymph nodes. It can also mean the deeper pelvic nodes. Distant recurrence means spread beyond the pelvis.

NCI's health-professional summary handles the first two briefly. Locally recurrent disease can be treated with surgery or with radiation therapy. If radiation was the first treatment and it failed, penile amputation often follows. For nodal recurrence that local measures do not control, the summary points to phase I and phase II clinical trials. Those trials test new biological and chemotherapeutic agents.

That is a short list, and its shortness is informative. Penile cancer is rare. For 2026 the American Cancer Society projects about 2,260 new penile cancers and 450 deaths in the United States, with fewer than 1 case per 100,000 men diagnosed each year. With numbers that small, the published evidence base for recurrence is thin.

This is the single most useful thing in the PDQ for anyone in follow-up, and it is easy to miss.

Enlarged groin nodes are common in penile cancer. They may be caused by infection rather than by tumor. The summary sets out how that gets sorted out, in its section on stage III disease. If enlarged lymph nodes can still be felt 3 or more weeks after two things, dissection follows. Those two things are removal of the infected primary lesion, and completion of a course of antibiotics. At that point, PDQ says bilateral inguinal lymph node dissection should be performed. Read that as the shape of the decision rather than your own timetable: penile cancer is rare enough that these calls belong to a multidisciplinary team that sees a reasonable number of cases, and imaging, biopsy and your previous treatment all feed in first.

So a swollen node triggers a sequence rather than an instant operation. Treat the infection. Wait out the interval. Re-examine. Then act on what is still there. Knowing that sequence exists is what turns a frightening lump into a scheduled question.

Where node spread is proven and there is no distant disease, the PDQ names bilateral ilioinguinal dissection as the treatment of choice. Radiation therapy may be considered instead, for people who are not surgical candidates. Radiation after surgery may reduce the rate of groin recurrence.

Lymph node dissection in the groin is not a minor procedure, and the PDQ is unusually blunt about it. The listed complications are infection, skin necrosis, and wound breakdown. Also chronic edema, meaning long-term swelling of the leg. And, in the summary's own words, "even a low, but finite, mortality rate."

It also says something that rarely appears in patient material. The effect of preventive lymphadenectomy on survival is not known, and opinions vary on its use. That is a genuine open question. It is not a settled recommendation being withheld.

One technique exists to reduce that burden. Dynamic sentinel node biopsy is used in T2 disease when nodes seem clear on examination. It maps and removes only the first nodes the tumor drains into. The PDQ cites its limitation honestly too. One retrospective single-institution study of 22 patients reported a false-negative rate of 11%. That is roughly one missed positive in nine. It is worth knowing before treating a negative sentinel result as final.

For a groin that has already been dissected or irradiated, the tissue planes and blood supply are altered. That is why the options narrow, and why the answer differs from person to person.

The treatments that preserve tissue are the same ones used for early disease, so it helps to know what they are.

Carcinoma in situ has two names, depending on where it sits. On the glans it is called erythroplasia of Queyrat. On the shaft it is called Bowen disease. For these, the PDQ lists topical fluorouracil cream and imiquimod 5% cream. Imiquimod is a topical immune response modifier, and the summary reports good cosmetic and functional results with it. Also listed are Nd:YAG or CO2 laser therapy, cryosurgery, and Mohs micrographic surgery. Mohs removes successive horizontal layers, checking each frozen section under a microscope. These in situ lesions progress to invasive squamous cell carcinoma in 5% to 15% of cases.

For stage I disease, the PDQ lists three equivalent therapeutic options. They are penile amputation, radiation therapy using external beams plus brachytherapy, and microscopically controlled surgery. Nd:YAG laser therapy is noted separately. The summary says it has offered excellent control or cure, with preservation of cosmetic appearance and sexual function, and marks it as under clinical evaluation.

Recurrence after penis-preserving treatment is part of why those options carry a trade-off. It is a fair thing to ask about in plain numbers for a specific case.

Worth being precise here, because a specific schedule is what most people want.

NCI's patient summary for penile cancer does not publish a follow-up interval, a scan schedule, or a duration. It says three things instead. Some tests used to diagnose or stage the cancer may be repeated, to see how treatment is working. Decisions to continue, change, or stop treatment may rest on those results. And some tests continue from time to time after treatment ends, to show whether the cancer has come back.

So the schedule comes from the treating team, not from a published federal table. There is no public document to check it against. That makes it worth getting in writing: how often, which examinations, which imaging, and for how many years.

• Is this local, regional, or distant — or not yet determined?
• Could an infection explain this node? Has the 3-week interval after antibiotics passed?
• Was the original tumor T1, T2, or T3, and were the margins clear?
• Have these groin nodes been dissected or irradiated before?
• If dissection is proposed, is it one-sided or bilateral, and what is the expected rate of wound problems and chronic leg swelling here?
• Was a sentinel node biopsy done, and how is the roughly 11% false-negative rate being accounted for?
• If it is back on the penis only, what is the chance of cure with further surgery, and what would be preserved?
• Is a tumor board review or a referral to a higher-volume center worth doing for a cancer this rare?
• Which symptoms warrant contact before the next scheduled visit, written down explicitly?

Related pages: metastatic penile cancer, what to ask covers stage IV disease, cancer staging explains the TNM system these decisions rest on, and fear of recurrence covers the part of this that no scan measures.

This page is a planning aid drawn from NCI's published summaries. It is not a prediction, and it does not replace the instructions of a treating team.

• Call 911 or go to an emergency department if a groin lump or ulcer bleeds heavily and pressure does not stop it. NCI notes that untreated groin nodes can cause hemorrhage as well as tissue death and infection, because the large vessels of the leg run directly beneath them.
• Call your care team the same day if a groin lump or a wound becomes hot, red, or foul-smelling, the skin over it breaks down or turns dark, or you have a fever with chills. Wound breakdown, skin necrosis, and infection are the recognised complications of groin surgery, and infected nodes need treating quickly.
• Fever plus chemotherapy is an emergency, not a same-day call. That is CDC's own framing. Contact the team the moment a temperature of 100.4°F (38°C) or higher appears, day or night, and go to an emergency department if they cannot be reached.
• Call your care team the same day if you cannot pass urine, or the stream has almost stopped.
• Call your care team within a day or two if a new lump appears in the groin or on the penis, an old scar changes, one leg swells more than usual, or leg swelling turns painful. Chronic leg swelling is common after groin surgery, but a change in it should be looked at.

• NCI PDQ — Penile Cancer Treatment, health professional version
• NCI PDQ — Penile Cancer Treatment, patient version