Fig. 1From: Circulating tumor cells (CTCs) and hTERT gene expression in CTCs for radiotherapy effect with lung cancerExpression of hTERT in CTC subtypes. The epithelial markers included EpCAM and CK 8/18/19, and the mesenchymal markers included vimentin and TwistAbbreviations: ECTC, epithelial circulating tumor cell; EMCTC, epithelial–mesenchymal circulating tumor cell; MCTC, mesenchymal circulating tumor cell.Back to article page