FCGR3A and malignant peripheral nerve sheath tumor: CD16a expression and other proteins in the 38 cases of neurogenic tumors (18 cases of NF; 14 cases of ANNUBP; and 6 cases of MPNST arising in neurofibroma) showed no association with a shorter FFR or overall survival periods in univariate Cox proportional hazard regression analysis (Table 3), nor did the 32 patients with NF or ANNUBP.