Can I Break Scar Tissue Around Finger Joint After an Old Sprain?

Last year I twisted my middle finger.It got swollen but I could move it with relatively little pain.The swelling persisted so a month later I had it checked.Xrays showed no fracture.I was told it was soft tissue injury and the healing will take longer and had to do motion exercises and take antinflam. pills.Now months later although no pain/motion issues my finger remained larger-on one side there seems to have formed a small lump. Is there anything I can do now to get rid of this scar tissue?

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