PO-1598 Deep learning based 4D synthetic CTs for daily proton dose calculations in lung cancer patients. (May 2022) - Thummerer, A.; Seller Oria, C.; Zaffino, P.; Veldman, K.; Meijers, A.; Seco, J.; Wijsman, R.; Langendijk, J.A.; Knopf, A.C.; Spadea, M.F.; Both, S.