Quantification of an External Motion Surrogate for Quality Assurance in Lung Cancer Radiation Therapy

Figure 2

Boxplots for the mean position of the breath hold phases Δ (red), breathing periods (blue), and baseline drifts D (green) for all patients and all fractions. The mean value is marked by a colored dashed line. Outliers are illustrated with black dots.

(a)

(b)

(c)