MSH6 and mucinous adenocarcinoma: On the other hand, by analyzing saliva MSH6 levels and setting the same cut-off value of 250 pg/mL, it was observed that 80% of the patients with mucinous adenocarcinoma have MSH6 levels over 250 pg/mL compared with 54.5% of the patients who have a mucus compound and 36.54% of the patients with no mucus compound.