Circulating tumor DNA for predicting recurrence in patients with operable breast cancer: a systematic review and meta-analysis.

Nader-Marta G, Monteforte M, Agostinetto E, Cinquini M, Martins-Branco D, Langouo M, Llombart-Cusac A, Cortés J, Ignatiadis M, Torri V, Apolone G, Cappelletti V, Pruneri G, de Azambuja E, Di Cosimo S