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Fig. 5 | Radiation Oncology

Fig. 5

From: Respiratory motion variability of primary tumors and lymph nodes during radiotherapy of locally advanced non-small-cell lung cancers

Fig. 5

Occupancy maps of relative respiratory motion-related displacements between primary tumors and lymph nodes for individual patients. Relative 3D displacements between primary tumor and lymph node relative to respiration phase 0–90 (0: end inspiration, 50: end expiration) are shown for all scans (4–8) per patient. Values were interpolated between neighboring phases. Darker color means that the respective magnitude of displacement is observed more frequently during respiration. While there is only little displacement with phase, e.g., in patients 3 and 12, other patients show larger variations of displacement during respirations which are stable on repeat scans, e.g., patients 7 and 8. Most patients show variable amounts of displacement between scans

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