Pre-radiotherapy lymphocyte count and platelet-to-lymphocyte ratio may improve survival prediction beyond clinical factors in limited stage small cell lung cancer: model development and validation

Yishan Yu, Linlin Wang, Shufen Cao, Siming Gao, Weili Wang, Lianne Mulvihill, Mitchell Machtay, Pingfu Fu, Jinming Yu, Feng-Ming (Spring) Kong