Figure 2From: Renal cell carcinoma metastasis to the ciliary body responds to proton beam radiotherapy: a case report (a) High-frequency immersion B-scan ultrasonography of the right eye reveals the ciliary body mass at a peak size of 6.11 × 6.06 mm. (b) B-scan ultrasonography after proton radiotherapy reveals the regression of the ciliary body mass size to 5.07 × 4.39 mm.Back to article page