True conversions from RAS mutant to RAS wild-type in circulating tumor DNA from metastatic colorectal cancer patients as assessed by methylation and mutational signature

Chiara Nicolazzo, Ludovic Barault, S Caponnetto, Gianluigi De Renzi, Francesca Belardinilli, Irene Bottillo, Simone Bargiacchi, Marco Macagno, Paola Grammatico, Giuseppe Giannini, Enrico Cortesi, Federica Di Nicolantonio, Paola Gazzaniga