What is the best method for caring for my reopened incision site? Should I be worried? What can I do to help this heal?

10 days post a DM with expanders. stitches removed 6 days post surgery. A small portion of skin was also removed during surgery bc it had not responded well during the nipple delay procdure. PS reviewed the incision day 11. PS says no infection is present and revisit day 20. I'm nervous about potential infection & I am unclear as far as how to care for the skin in this area. Dr. initially did not suggest antibiotics however I requested them and my doctor obliged in order to make me feel better.

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