Ultra-rare TP53 and KRAS variants predict survival in ICI-treated solid tumours. - Clemente-Suárez VJ; Olivares R; Yáñez-Sepúlveda R; Guzmán-Muñóz E; Rodríguez AM (Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico, 2026)