APOA2 and endocrine gland neoplasm: The apoAII-ATQ/AT AUC values for distinguishing patients with various gastroenterologic diseases from healthy controls were 0.84 for endocrine neoplasms, 0.92 for IPMNs, 0.816 for MCNs, 0.983 for SCNs, 0.992 for chronic pancreatitis, and 0.951 for other diseases (Supplemental Table 3).