We now have the final or almost final results of the cultures that were taken during that last surgery.
The infection that caused the fever and the green goo is enterobacter cloacae, an anaerobic gram negative bacteria, and I am now on the appropriate antibiotics for it. This is a new infection and I probably caught it after the hematoma destroyed the skin graft. The hospital ID doc said that hematomas are a leading cause of infections in these kinds of situations because it destroys the barrier to infection created by the skin graft, and bacterial spores are everywhere.
Tuesday I get discharged and will go straight to see another surgeon for a second opinion. At this point I fully expect an above-knee amputation. Honestly, it will be a relief just to make this all stop and for the infection to go away.