Background Gastrointestinal stromal tumor (GIST) is known for its wide variability ... mitotic rate, risk grade, CD34 expression, and adjacent involvement were predictors of OS or RFS.

CD34, vimentin, smooth muscle actin (SMA), S-100, Discovered On GIST 1 (DOG1)), TKI therapy and outcome. Survival outcome in terms of overall survival (OS), relapse-free survival (RFS), and ...