9Wakelin SJ, Deans C, Crofts TJ, et al. A comparison of computerised tomography, laparoscopic ultrasound and endoscopic ultrasound in the preoperative staging of oesophago-gastric carcinoma. Eur J Radiol,2002,41:161-167.
10Blazeby JM, Farndon JR, Donovan J, et al. A prospective longitudinal study examining the quality of life of patients with esophageal carcinoma. Cancer, 2000,88: 1781-1787.