CD47 and non-small cell lung carcinoma: The 50 NSCLC patients were grouped according to the different follow-up data, and the Kaplan-Meier method was utilized to compare the correlation between clinical indexes and OS in each group.The results of Cox unfolding multifactorial analysis showed that CD47 positive expression and clinical stage were the independent risk factors affecting the prognosis, as shown in Tables 3 and 4.