The results showed that compared with normal tissues, sixteen proteins (ANGPTL1, BCHE, BNC2, CHRNA3, CNN1, CPED1, CYP1B1, FHL1, MYL9, PDLIM3, PRG4, RNF150, SELP, SPARCL1, SYNC, VIP) were significantly overexpressed in tumour tissues (Fig. 6, p < 0.05). Here, BCHE is linked to neoplasm.