While FLI1 is unable to confirm EwS cases with FET–non-FLI1 translocations [33,59], NKX2-2 and PAX7 lack specificity [60] and can be even strongly expressed in close morphological mimics such as EWSR1-NFATc2-positive sarcomas [40,57,58]. Here, FLI1 is linked to sarcoma.