1[2]Iyomasa S, Kato H, Tachimori Y, et al. Carcinosarcoma of the esophgus:a twenty case study[J]. Jin J Clin Oncol,1990,20:99~106.
2[3]Ikura Y, Hosotani R, Aoyama H, et al. Carcinosarcoma of the esophgus: a report of two cases [J].Surg Today,1993,23:562~567.
3[5]Agha FP, Keren DF. Spindle-cell squamous carcinoma of the esophagus: a tumor with biphasic morphology[J]. Am J Roentgenol, 1985, 145 (3): 541 ~ 545.
4[7]Postlethwait RW. Surgery of the esophagus [M]. New York:Appleton Century Crofts, 1979. 425 ~ 427.