Fig. 6From: Cell-free DNA and circulating tumor cell kinetics in a pre-clinical head and neck Cancer model undergoing radiation therapyA) CT images showing tumor growth and nodal disease (marked by dotted red lines) at selected time points. B) Volumetric assessment of primary tumor and lymph nodes. C) CTC levels at weekly timepoints using TxViva and Epcam. D) Histological analysis of tumor and lymph nodes using H&E, pancytokeratin, EGFR, HER2 and Epcam demonstrating residual tumor in both primary and lymph nodesBack to article page