外来がん化学療法登録レジメン胃癌 adjuvant S-1+Tri-weekly DTX (2-7サイクル) Bi-weekly CPT-11 FOLFOX FOLFOX+Nivolumab Nivolmab (240mg) Nivolmab (480mg) RAM RAM+weekly PTX S-1+CDDP S-1+Tri-weekly DTX SOX (S-1+L-OHP) SOX (S-1+L-OHP)+Nivolumab SOX (S-1+L-OHP)+Trastuzumab Trastuzumab deruxtecan Trastuzumab+XP (Capecitabine+CDDP) Tri-weekly nab-PTX weekly PTX XELOX (Capecitabine+L-OHP) XELOX (Capecitabine+L-OHP)+Nivolumab