A comparative study of symptom relief in esophageal cancer with the development of a useful index of palliation.
D002294:Carcinoma, Squamous Cell / Q000628:therapy*; D004938:Esophageal Neoplasms / Q000401:mortality / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D006801:Humans; D010166:Palliative Care / Q000592:standards*; D012189:Retrospective Studies