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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Cancer. 2017 Mar 16;123(15):2945–2954. doi: 10.1002/cncr.30574

Figure 1. Explanation of the radiation treatments during the early IMRT adoption period (period 1) and the early SBRT adoption period (period 2).

Figure 1

IMRT is the new treatment in period 1; SBRT is the new treatment in period 2. The total proportion of treatments during each treatment period is 100%.

*During the early SBRT adoption period, IMRT was considered a standard radiation treatment since it was the most common radiation treatment used for prostate cancer at that time.

Abbreviations: IMRT; intensity-modulated radiotherapy; SBRT, stereotactic body radiation treatment