Li Li YS YS Jiang Jiang BY BY Yang Yang JJ JJ Zhang Zhang XC XC Zhang Zhang Z Z Ye Ye JY JY Unique genetic profiles from cerebrospinal fluid cell-free DNA in leptomeningeal metastases of EGFR-mutant non-small-cell lung cancer: a new medium of liquid biopsy Unique genetic profiles from cerebrospinal fluid cell-free DNA in leptomeningeal metastases of EGFR-mutant non-small-cell lung cancer: a new medium of liquid biopsy Ann Oncol Ann Oncol 2018 2018 29 29 945 945 52 52 10.1093/annonc/mdy009 10.1093/annonc/mdy009 29346604 29346604. This evidence concerns the gene EGFR and non-small cell lung carcinoma.