Objective To explore the clinical significance of hypertension control in elderly patients with gastrointestinal neoplasms complicated with hypertension before operation and its influence on adverse cardiovascular reactions.Methods From January 2016 to January 2018,90,90 elderly patients with gastrointestinal cancer complicated with hypertension were selected and retrospectively analyzed at Yingcheng People's Hospital.Forty-two patients who had a good control of hypertension were included in the previous go...