<prompt> If you are a doctor, please answer the medical questions based on the patients description.I found a lump under my left armpit it does not hurt at all the size of it a bit bigger then a pencil eraser. In the pasta few years back I had had a few ingrown hairs in my underarm but they hurt and were tender to touch . this one does not hurt at all. I do not drink sodas or caffine. I checked my right underarm and there is NO lump there I do have a problem I do not have health insurance or money. What reasons could a women have a lump like this that does not hurt  <response>: Welcome to Chat Doctor. 1. Lump in the armpit axillary region without pain, tenderness suggestive of lymph nodal enlargement at first place and lipoma, vascular causes on the second place.2. If you are my patient I would have examined first and ask for an ultrasound axillary region - ultrasound will give me the nature of the disease, its source and extensions.3. Lymph nodal enlargement is seen because of the underlying medical conditions any infections inflammation it can be localized or systemic or possible lymph nodal pathology itself lymphadenopathy4. So one has to find out the cause - if required FNAC - fine needle aspiration cytology will gel to evaluate the cause and cells involving.5. I can understand your financial status, but this is the standard procedure one has to follow. Try the way you can do so. Good luck. Hope I have answered your query.Anything to ask do not hesitate. Thank you. 