This prospective clinical study evaluates the accuracy of the currently used planning target volume (PTV) safety margin of 0.5 cm for stereotactic body radiotherapy (SBRT) of lung tumors at the Institute of Oncology Ljubljana. The study will assess setup errors and intrafractional motion using cone beam CT (CBCT) imaging in patients treated on three linear accelerators and with two different immobilization systems (vacuum cushion and long thermoplastic mask). Based on the collected data, the study aims to determine whether the current PTV margin is adequate and whether the SBRT setup protocol could be optimized.
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Quality of Life After Radical Surgical Treatment of Gynecological Malignancies (EORTC QLQ-C30)
Timeframe: Baseline (before surgery); up to 6 months after surgery