[Clinical evaluation of the efficacy of the combined determination of serum markers CEA, CA 19.9, CA 72.4 as indexes of gastro-intestinal tract neoplasms].

: The aim of our study was to evaluate the usefulness of the tumor markers CA 72.4, CEA and CA 19.9 in the monitoring of gastrointestinal carcinomas. Our experience demonstrated the usefulness of the determination of CA 72.4 in the follow up of patients with gastrointestinal neoplasms.