<s>[INST] my 10 year old son had a lipoma removed 2 months ago, on his right leg, just below the knee. it was benign. the scar has healed perfectly, but i can feel a small lump under the scar line.  i was hoping never to feel a lump there again, as i was worried for so long. what is this lump? [/INST] Hi, Dear I studied your query in all it details and I understood your concerns. Cause and Remedy - On whatever limited facts given from you about the lump under the scar, it seems to be resolving post-surgical left out hematoma with progressive fibrosis.Hence, To reduce your worry Please consult for opinion from ER Surgeon. Plz hit thanks and write excellent Reviews if this would resolve your query. Plz don't worry and do Welcome for any further query in this regard to me. Have a Good Day. Chat Doctor. N. </s>