1. Gabrielsen TO, Eldevik OP, Orringer MB, Marshall BL. Esophageal carcinoma metastatic to the brain: clinical value and cost-effectiveness of routine enhanced head CT before esophagectomy. Am J Neuroradiol. 1995;16:1915–21.
2. Sueyama H, Yamanoi T, Uematu T, Saitou M, Sakai K, et al. Brain metastases from esophageal cancers: clinical features and treatment results. Nihon Igaku Hoshasen Gakkai Zasshi. 2001;61:534–9.
3. Ogawa K, Toita T, Sueyama H, Fuwa N, Kakinohana Y, et al. Brain metastases from esophageal carcinoma: natural history, prognostic factors, and outcome. Cancer. 2002;94:759–64.
4. Tsujie M, Shibata N, Nomura T, Tanaka T, Morimoto T, et al. A patient with stage IVb small cell carcinoma of the esophagus who survived 23 months after systemic cancer chemotherapy. Gan To Kagaku Ryoho. 2003;30:271–5.
5. Weinberg JS, Suki D, Hanbali F, Cohen ZR, Lenzi R, et al. Metastasis of esophageal carcinoma to the brain. Cancer. 2003;98:1925–33.