Your case is either a breast abscess or breast cancer,

Breast enlargement is unlikely.

Breast abscess is often secondary to acute mastitis, if you have had acute mastitis a while ago, the performance is: fever, breast swelling and pain, if the inflammation is not well controlled, and then the breast will form an abscess, this time the breast abscess at the enlargement of the softer touch, cystic, not solid, there can be a skin concavity, commonly found in breastfeeding women. If you have a recent history of mastitis, abscesses are very likely and are supported by swollen and painful axillary lymph nodes.

But your case is also very much like breast cancer. If you have no past history of mastitis, and if you feel a hard lump in your breast that is very fixed and has poor mobility, and there is an indentation of the skin at the lump, or if there is a break in the skin, and there is no pain in the breast, then breast cancer is very likely. Breast cancer often has metastasis to the lymph nodes in the armpit on the same side, so it will cause enlargement of the lymph nodes in the armpit, but usually the lymph nodes are not painful. However, the lymph nodes are usually painless. Sometimes there may be pain when there is chronic lymphadenitis at the same time, so it's hard to say.

It is recommended that you go for a breast ultrasound, which is not expensive, is an abscess, is a tumor, or breast hyperplasia, more than can be clarified

Your situation is not suitable for another, it is recommended that you go to do the examination right away, such as an abscess, or breast hyperplasia (the possibility of a small), you can be assured that the simple treatment can be. The first thing that you need to do is to get a good deal of money to pay for the services you need.