Fig. 1

Histological image and heatmap of the wrongly identified section: A-B: false positive caused by normal structure of lymph nodes (lymphoid follicles); C-D: false positive caused by low-quality slide (balsam overflow); E-F: false positive caused by lymph node reactive hyperplasia (lymphedema); G-H: false positive caused by complex reason (low-quality slide leads to wrong identification of normal structure); I-J: false negative caused by micrometastasis (model identified but excluded as interference); K-L: false negative caused by micrometastasis (model unidentified)