What is this white rectangle spot from incision line up to tip at 8 months post-op? (Photo)

I had an open rhino in may 2018 to remove a hump and narrow the front and bridge. No tip work was supposed to be done.the tip looked good until a month ago when this light discolored patch appeared on the tip to the incision line. It is really worrying me and I amscared it can't be fixed. Due to asymmetrical upper bones my doctor told me in a year he would fix it.But I am now noticing a white rectangle patch under the tip to the incision line. Can someone tell me what this is. I am 8 months post op.