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Have you seen a doctor to address the new bulge?
This may be a result of the other things you have going on with your knee.
Sounds like you have a situation that needs attention on both sides.
If you weren’t happy with the doctor you saw in the past I would find a new one.
Ask people at your gym or at a sports facility who they recommend.
Doing some research when looking for a doctor helps.
Find out if they workout, what they do etc.