Figure 17. Banff Lesions Score i-IFTA (inflammation in areas of IFTA). Image A shows inflammation in areas of IFTA (arrow). This Lesion Score ranges from 0 to 3, based on the percentage of scarred areas of the cortex (i.e. areas qualifying for ci and ct) involved by inflammation. It is one of the criteria necessary for a diagnosis of Chronic Active TCMR Grade IA or IB. Masson trichrome, original magnification x200. B, In contrast shows interstitial fibrosis without significant infiltrate (arrow). H&E, original magnification x400.