The integration of advanced diagnostic techniques in oncology has shown promise in improving patient outcomes through personalized treatment strategies. One significant study explored the use of next-generation sequencing to identify genetic variants associated with inborn errors of immunity, specifically focusing on activated PI3Kδ syndrome. By employing massively parallel base editing in human T cells, the researchers mapped thousands of variants to clinically relevant outcomes, identifying over 100 variants of uncertain significance for further functional classification (ref: Walsh doi.org/10.1016/j.cell.2025.05.037/). Another study investigated the combinatorial effects of cisplatin and temozolomide in inducing hypermutation in colorectal cancer models, revealing that this treatment not only triggered mismatch repair downregulation but also enhanced immune surveillance through increased neoantigen presentation (ref: Vitiello doi.org/10.1016/j.ccell.2025.05.014/). Furthermore, the efficacy of trastuzumab deruxtecan was compared to ramucirumab plus paclitaxel in HER2-positive gastric cancer, demonstrating a significant survival advantage for the former, despite a high incidence of adverse events (ref: Shitara doi.org/10.1056/NEJMoa2503119/). These findings underscore the critical role of integrated diagnostics in tailoring cancer therapies and improving patient management.