HWA-UNETR: Hierarchical Window Aggregate UNETR for 3D Multimodal Gastric Lesion Segmentation. - Jiaming Liang; Lihuan Dai; Xiaoqi Sheng; Xiangguang Chen; Chun Yao; Guihua Tao; Qibin Leng; Hongmin Cai; Xi Zhong (CoRR, 2025)