2 Week old chick has an open sore/tumor??

[Wyorp Rock]

Little chick is still eating, drinking, pooping and has plenty of energy. The wound/sore has crusted over and appears to be getting smaller. Hopefully it is the crop just getting smaller. I didn't think it would take days for this to happen though. I have been feeding her grit with the medicated chick food.

The pics are hard to show anything as the feathers are growing back over it.
The black part in the pictures is the blood/scab of the wound. I'll continue to monitor it.

Thanks for all the replies and concern! This site really is a great source of info and an awesome community.

Hopefully it will all heal up and she won't have any issues.