2025. P54 | A serious case of multiple site muscle damage secondary to the use of immune checkpoint inhibitor of PD-L1: D. Cunzi, G. Prampolini, R. Imbarlina, E. De Cristofaro, J.L. Zoino, A. Negro | Unità Internistica Multidisciplinare, Castelnovo nè Monti (RE), AUSL Reggio Emilia, Italy. Italian Journal of Medicine. 19, 1(s1) (Aug. 2025). DOI:https://doi.org/10.4081/itjm.2025.2247.