C3 and medullary thyroid gland carcinoma: After comparisons, 8 DEPs were determined to be differentially expressed in both B1 vs. MTC and B3 vs. MTC (Fig. 1D): IL13RA1 (down), LGALS3BP (up), PRCSH (down), C3 (down), MXRA5 (down), TNN (down), CFHR1 (down), SUN3 (down).