A Fractional Modeling of Tumor–Immune System Interaction Related to Lung Cancer with Real Data Fatma Özköse, Seçil Yılmaz, Mehmet Yavuz, İlhan Öztürk, M. Tamer Şenel, Burcu Şen Bağcı, Medine Doğan and Ömer Önal Eur. Phys. J. Plus, 137 1 (2022) 40 Published online: 19 December 2021 DOI: 10.1140/epjp/s13360-021-02254-6