PCAT19 and cancer: PCAT19 shows significant clinical value, impacting clinical features, prognosis, and diagnosis across multiple human cancers (Xu et al., 2019; Zhang X. et al., 2019; Feng et al., 2023; Acha-Sagredo et al., 2020; Xiao et al., 2022; Masoud and Mohamadynejad, 2024).