It could be a scar: Tissue from past infection- ?Tb, pneumonia etc. There's no treatment and it's not serious . Follow up with your dr. Take care!
Answered 12/9/2013
5.1k views
Previous infection: Scarring usually represents changes from old infectious disease or previous surgery. Most common infection is granulomatous like TB. Scarring usually means disease is not active,
Answered 12/5/2014
3.5k views
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