The rates of chest pain, esophagealulcer, length of hospitalization, and total medical cost in treatment group were significantly lower than those of control group (P<0.05).
胸痛和食管溃疡、总住院天数、总医疗费用，治疗组显著低于对照组（P＜0.05）。
2
Objective to look for the correlative factors on oral lip's ulcer after operation of esophageal and stomach tumor, so as to take intervention measures and prevent the occurrence of the complications.