CD274 and metastatic neoplasm: Using univariable Cox regression analysis, the following variables showed a potential predictive value (p ≤ 0.10) for OS: WHO PS, metastatic disease, PD‐L1 CPS ≥1, second line palliative systemic treatment or higher, weight loss during the 6 months prior to ICI initiation, weight loss categories, catabolic category (explanation below), VATI, and weight loss during the first 6 weeks of ICI therapy.