营养支持治疗可改善消化道恶性肿瘤病人术后营养状况和生命质量。国内外临床指南建议对恶性肿瘤手术病人术前施行早期以口服营养补......

目的 To observe the effect of nasal feeding tube combined with enteral nutrition powder on the efficacy of esophageal ca......