| APART-LUNG | Assessment of Physical Activity during Radiation Therapy for Lung Cancer |
| CTCAE | Common Terminology Criteria for Adverse Events |
| GCP | Good Clinical Practice |
| HeAT | Health Advancing Technologies for the Elderly |
| ICH | International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use |
| NSCLC | Non-Small-Cell Lung Cancer |
| SCLC | Small-Cell Lung Cancer |
| UKSH | University Medical Center Schleswig-Holstein |