Thanks for choosing health care magic for posting your query.
I have gone through your question in detail and I can understand what you are going through.
Its most probably a small abscess
which is leading to this lump and also pain on pressing it. It may settle down by self in 5-7 days but may need antibiotic if the problem persists.
Hope I am able to answer your concerns.
If you have any further query, I would be glad to help you.
In future if you wish to contact me directly, you can use the below mentioned link:
Wish you good health,
Dr. Srikanth Reddy M.D.