Of course a health care provider would need to examine this for a diagnosis but it is possible it could be a lipoma or fatty tumor. These are harmless. usually soft, movable, and painless. Without pain and signs of infection you are probably fine to watch and wait, asking about it when you are able to see a doctor.
The answers in online forums are for information only and are not intended to substitute for medical advice and care. Please see your personal health care provider for further evaluation of your individual case.
Debbie Miller, RN