Indocyanine green fluorescence in robot-assisted minimally invasive esophagectomy with intrathoracic anastomosis: a prospective study. - de Groot EM; Kuiper GM; van der Veen A; Fourie L; Goense L; van der Horst S; van den Berg JW; van Hillegersberg R; Ruurda JP (Updates in surgery, 2023)