DOSIMETRIC EVALUATION OF GAS POCKETS ELECTRON DENSITY IN ONLINE ADAPTIVE MRGRT. (December 2022) - Nardini, Matteo; Capotosti, Amedeo; Boldrini, Luca; Romano, Angela; Bevacqua, Andrea; Turco, Gabriele; Moretti, Roberto; Indovina, Luca; Placidi, Lorenzo