Circulating Tumor DNA As Liquid Biopsy in Patients with Stage IV Solid Tumors, a Feasibility Study At MUSC HCC

Twenty-five mL of peripheral blood (PB) will be collected for research. Blood will be collected in EDTA tubes and used to isolate ctDNA. For each subject we will request that he/she contribute 25 mL of plasma no more frequently than every 6 weeks, and at same time of standard of care blood draws and routine clinic visit, and for no more than 3 times (including baseline and end of study).