Change in circulating tumor DNA after hepatic resection for metastatic colorectal cancer. (March 2018) - Narayan, R.R.; Babicky, M.L.; Goldman, D.A.; Gonen, M.; Allen, P.J.; Balachandran, V.P.; D'Angelica, M.I.; DeMatteo, R.P.; Drebin, J.A.; Jarnagin, W.R.; Kingham, T.P.