FC levels in different settings. (A) FC in patients with GI-aGvHD and other organ involvement aGvHD. (B) FC in patients with GI-aGvHD and infective enteritis. (C) FC in patients with GI-aGVHD, infective enteritis and concomitant GI-aGvHD, and infective enteritis. (D) FC in patients with GI-aGvHD and patients with diarrhea after autologous SCT. (E) FC in patients with GI-cGvHD and other organ involvement cGvHD.