Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Follow-up visits review symptoms, examine the breast or chest wall and lymph node areas, and manage ongoing side effects.
Visits are usually more frequent at first.
The schedule depends on treatment and individual risk.
After breast-conserving surgery, follow-up generally includes mammography of the treated breast.
Imaging of the opposite breast may be considered when an inherited harmful gene change is present.
MRI is not routinely used for every man.
Routine CT scans, bone scans, and blood tumor-marker tests are generally not recommended to search for recurrence after early-stage treatment when there are no symptoms.
Testing may be ordered for concerning symptoms or examination findings.
And for anyone, someone who:
The article also says
Keep an updated treatment summary listing the cancer stage, pathology results, operations, radiation, medicines, and genetic test results.
Continue primary care for vaccinations, bone health, cardiovascular risk, diabetes, and other needs.
Contact the care team between visits for a new breast or chest-wall lump, persistent bone pain, unexplained weight loss, ongoing cough, worsening shortness of breath, new neurological symptoms, or arm swelling.
These symptoms often have noncancerous causes but should be assessed.
Every sign above is quoted from the sofidex article on Breast cancer in men. If you are not sure, err upward — it is always reasonable to be checked.