Nomogram for predicting the overall survival of the patients with oesophageal signet ring cell carcinoma

Feng Wang, Shu-Geng Gao, Qi Xue, Feng-Wei Tan, Yu-Shun Gao, Da-Li Wang, You-Sheng Mao, Jun Zhao, Yin Li, Xiang-Yang Yu, Hong Cheng, Chen-Guang Zhao, Ding Yang, Ju-Wei Mu