Nomogram for predicting survival in breast cancer with lung metastasis based on SEER data

Cheng-Liang Chen, Ni-Ya Chen, Shuo Wu, Xiao Lin, Xin-Wei He, Ying Qiu, Di-Xin Xue, Jie Li, Meng-Die He, Xi-Xi Dong, Wei-Ya Zhuang, Mei-Zhen Liang