Overall survival of stage IV non-small cell lung cancer patients treated with Viscum album L. in addition to chemotherapy, a real-world observational multicenter analysis

This multicenter observational study evaluated the impact of adding Viscum album L. (European mistletoe) extract to standard chemotherapy in 158 patients with stage IV non-small cell lung cancer (NSCLC). Patients were divided into two groups: 108 received chemotherapy alone, while 50 received chemotherapy plus Viscum album L. The median overall