The tumor is negative for EMA, cytokeratin 7, cytokeratin 20, chromogranin A, synaptophysin, S-100 protein, HMB-45, desmin, SMA, EBV, CD117, DOG1, CD23, CD21, clusterin, MDM2, CD34, D240, and ERG. Here, FCER2 is linked to neoplasm.