“…The present study found a similar percentage of MLH1 positivity compared with previous studies [21] , [22] . However, MSH2 negativity was higher in the present study compared with some previous studies [21] , [24] , but lower compared with another study [25] . For p53, the present study found a mutant pattern of expression in approximately 14% of cases, despite the fact that approximately 25% of the series were non-ECs.…”