Evaluation of ctDNA in the Prediction of Response to Neoadjuvant Therapy and Prognosis in Locally Advanced Rectal Cancer Patients: A Prospective Study - Marina Morais; Telma Fonseca; Diogo Melo Pinto; I. Prieto; Ana Teresa Vilares; Ana Luísa Duarte; Patrícia Leitão; Lu??s Cirnes; José Carlos Machado; Silvestre Carneiro (Pharmaceuticals, 2023)