Incidence and Mortality
Estimated new cases and deaths from breast cancer (men only) in the United States in 2013:
New cases: 2,240.
Male breast cancer is rare. Less than 1% of all breast carcinomas occur in men.[3,4] The mean age at diagnosis is between 60 and 70 years, though men of all ages can be affected with the disease.
Predisposing risk factors  appear to include radiation exposure, estrogen administration, and diseases associated with hyperestrogenism,...
Inflammatory breast cancer is now separated from other forms of locally advanced breast cancer. It is marked by:
A shortened survival
A higher incidence of HER2-positive and endocrine receptor-negative cancers
It is often diagnosed at a younger age compared to non-inflammatory locally advanced breast cancers.
What Are the Symptoms of Inflammatory Breast Cancer?
Unlike the more common form of breast cancer, inflammatory breast cancer does not generally show up as a lump. The disease grows as nests or sheets that clog the lymph system under the skin. Often the symptoms are attributed to other diseases. Therefore, the diagnosis of inflammatory breast cancer may be delayed.
Swelling of the lymph nodes under the arm or in the neck
These changes often occur quickly, over a period of weeks.
How Is Inflammatory Breast Cancer Diagnosed?
Inflammatory breast cancer is often misdiagnosed as another medical condition. It's important to pursue a breast or skin biopsy if treatment for another breast condition like an infection doesn't work.
How Is Inflammatory Breast Cancer Treated?
Inflammatory breast cancer is an aggressive cancer that can spread quickly. Treatment options include: