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

Figure 5

Dmean and Dmax of extracranial OARs. (a) Dmean - left lens. (b) Dmean - left lacrimal gland. (c) Dmean - right lacrimal gland. (d) Dmax - left lens. (e) Dmean - esophagus. (f) Dmean - thyroid. (g) Dmean - lungs. (h) Dmean - liver. (i) Dmean - kidneys. Mu, 2005: IMRT; Mu, 2005 (1): 3D-CRT.

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