Multimodal treatment of children with sacrococcygeal yolk sac tumor: retrospective analysis of clinicopathology characteristics and relapse-free survival

Jia Zhu,^1∗Huadong Chen,^2∗ Tingting Chen,^1∗Zijun Zhen,^1* Juan Wang,¹ Feifei Sun,¹ Suying Lu,¹ Junting Huang,¹ Yizhuo Zhang,¹ Xiaofei Sun^1△

¹ Department of Pediatric Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, 510060, P.R.China

² Department of Pediatric Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhongshan Er Lu, Guangzhou, 510080, P.R.China.

Running title: Relapse-free survival of sacrococcygeal yolk sac tumor

^△Corresponding author: Xiaofei Sun MD, Department of Pediatric Oncology, Sun Yat-sen University Cancer Center, 651 Dongfengdong Road, Guangzhou, China, 510060; Tel: +86-20-87342468; Fax: +86-20-87342468; Email:sunxf@sysucc.org.cn

^∗Jia Zhu, Huadong Chen and Tingting Chen contributed equally to the article.

List of Abbreviations