After interdisciplinary consideration, so-called T1 and T2 lung tumours without lymph node metastases can be treated with Cyberknife. Recent studies indicate that the results are similar to surgical therapy. Recent studies indicate that the results are similar to surgical therapy. Nevertheless, thoracic surgeons should always be involved in the indication. The same applies to the treatment of lung metastases, where there are treatment options for individual foci up to 4 cm in diameter without lymph node involvement.