IntroductionKnowledge of the high microsatellite-instability (MSI-H)/mismatch repair deficiency (MMRd) status is of increasing interest for personalized neoadjuvant or adjuvant therapy planning. Only a few studies are available on MSI-H distribution in the Northern European Caucasian patient population. In this study. we focused on a large cohort of tumors of the upper gastrointestina... https://balboasurfandsstylers.shop/product-category/big-boys-sweatpants/