MP03-06 PROSPECTIVE STUDY ON FDG-PET/CT FOR ON-TREATMENT ASSESSMENT OF RESPONSE TO NEOADJUVANT OR INDUCTION CHEMOTHERAPY IN INVASIVE BLADDER CANCER. (May 2022) - Einerhand, Sarah; Voskuilen, Charlotte; Fransen van de Putte, Elies; Donswijk, Maarten; Bruining, Annemarie; Van der Heijden, Michiel; Mertens, Laura; Hendricksen, Kees; Vegt, Erik; van Rhijn, Bas