Lump on the side of knee: do you have a meniscal cyst?
Prepatellar Bursitis - eOrthopod.com
Hard lump (feels like bone) under kneecap. Def not on right leg. Only left, and no pain. I exercise a lot (basketball and running). Any help on what this is? : r/AskDoctorSmeeee
Meniscal Cysts: Symptoms, Causes, Diagnosis, and Treatment