Fat necrosis is it mandatory to be removed?

Post cover I have a big pump fat necrosis in my right upper thigh, and its a little bit painful sometimes. I feel the pain more when I sit down. Do I need to remove it or it will dissolve by its self? also, is this a major problem later in the future. I have got some steroid injections to reduce the fat the name of it is called "kenalog- 40" What can I do? any suggestions. Thank you for your time.

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