The KiTS21 Challenge: Automatic segmentation of kidneys, renal tumors, and renal cysts in corticomedullary-phase CT. - Nicholas Heller; Fabian Isensee; Dasha Trofimova; Resha Tejpaul; Zhongchen Zhao; Huai Chen; Lisheng Wang; Alex Golts; Daniel Khapun; Daniel Shats; Yoel Shoshan; Flora Gilboa-Solomon; et al. (CoRR, 2023)