c("sample id: 16N", "cell type: esophageal", "tissue type: non-tumor")
c("sample id: 18N", "cell type: esophageal", "tissue type: non-tumor")
c("sample id: 19N", "cell type: esophageal", "tissue type: non-tumor")
c("sample id: 16T", "cell type: esophageal", "tissue type: tumor")
c("sample id: 18T", "cell type: esophageal", "tissue type: tumor")
c("sample id: 19T", "cell type: esophageal", "tissue type: tumor")