Original ResearchPublished 9 July 2026A prognostic tool for pulmonary collapse: nomogram-based prediction of 28-day mortalityXinming He · Wenchong Yu · Yuling Li · Ao Ma · Zhichao Meng · Jiehao Zhu · Minghui Tan · Xiaodong Zhao · Mu ChenFrontiers in Big Datadoi 10.3389/fdata.2026.1728498