PMC5856982_01
Stereotactic body radiation therapy plan and dose volume histogram of clinical T2, N0, M0 urothelial carcinoma of the left renal pelvis.
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The patient was treated with SBRT to the tumor with a prescription dose of 50 Gy in 4 fractions delivered over 4 consecutive days (Fig 1).
Left renal pelvis tumor 1 week before, 3 months after, and 31 months after SBRT.
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A CT urogram revealed a significant reduction in size of the treated tumor, which was necrotic and appeared consistent with a partial response using RECIST criteria v1.1 (Fig 2). CT urogram showed left renal atrophy with no residual mass or filling defect in the left kidney, consistent with a complete response using RECIST criteria v1.1 (Fig 2). Complete imaging showed no regional or distant metastatic disease.