European Journal of Surgical Oncology, 49, 7, pp. 1283-1290 European Journal of Surgical Oncology. W.B. Saunders Ltd Libic2 collaborators group 2023, ' Circulating tumor DNA detection after neoadjuvant treatment and surgery predicts recurrence in patients with early-stage and locally advanced rectal cancer ', European Journal of Surgical Oncology, vol. 49, no. 7, pp. 1283-1290 . https://doi.org/10.1016/j.ejso.2023.01.026 European Journal of Surgical Oncology, 49, 1283-1290