Efficiency and safety of neoadjuvant PD-1 inhibitor (penpulimab) combined with chemotherapy in resectable N1/N2 nonsmall cell lung cancer: a prospective cohort study. - Zhou D; He JM; Yu JC; Li YQ; Chen L; Zhenge Z; Deng XF; Zhang J; Lu X; Zheng H; Dai JG (International journal of surgery (London, England), 2025)