Martin-Broto Martin-Broto J J Gutierrez Gutierrez A A Garcia-Del-Muro Garcia-Del-Muro X X Prognostic time dependence of deletions affecting codons 557 and/or 558 of KIT gene for relapse-free survival (RFS) in localized GIST: a Spanish Group for Sarcoma Research (GEIS) Study Prognostic time dependence of deletions affecting codons 557 and/or 558 of KIT gene for relapse-free survival (RFS) in localized GIST: a Spanish Group for Sarcoma Research (GEIS) Study Ann Oncol Ann Oncol 2010 2010 21 21 7 7 1552 1552 1557 1557 10.1093/annonc/mdq047 10.1093/annonc/mdq047 supplied-pmid 20231303? This evidence concerns the gene KIT and gastrointestinal stromal tumor.