The Group ("Menarini"), a leading international pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc.

Painful armpit lumps are often due to a swollen axillary lymph node under the armpit. This is usually a sign that the body is fighting an infection, but it can sometimes indicate cancer.

IMRT also has fewer side effects. We sometimes use IMRT to limit the radiation dose to lymph nodes that need treatment. We also can limit radiation to organs close to the breast, such as the heart and ...