We are also concerned if this will help or hinder skin graft surgery he will soon be having. He has a large wound about 3 1/2 in by 5 in on his right calf due to radiation and removal of reoccurring squamous skin cancers there. Three other attempted grafts over the past two years have failed. We are so hoping this one will take, so he can start Rituxamab infusions to treat Wegeners which has flared.