CTSG and neoplasm: Organoids were injected subcutaneously (bilateral thighs) or orthotopically (left liver lobe) into immunodeficient NSG (NOD SCID gamma, NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ) [37] mice and showed tumor formation with a success rate of 77.8% (P68 2/3, P83 3/3, TFK-1 2/3 mice) and 100% (P68 2/2, P83 2/2 mice), respectively.