Proton versus Photon Radiotherapy for Pediatric Central Nervous System Malignancies: A Systematic Review and Meta-Analysis of Dosimetric Comparison Studies

Figure 7

Funnel plots for extracranial OARs. (a) Dmean of the esophagus. (b) Dmean of the lungs. (c) Dmean of the kidneys.

(a)

(b)

(c)