Figure 5.

Variation of Monte Carlo output contributions for (a) 6 MeV, (b) 9 MeV, and (c) 12 MeV from applicator scrapers 3 – 5 with extended source‐to‐surface distance (SSD). Filled $\text{diamonds}=5\hspace{0.17em}\text{cm}$ diameter; $\text{triangles}=10\times 10\hspace{0.17em}\text{cm}$ field; $\text{crosses}=15\times 15\hspace{0.17em}\text{cm}$ field; $\text{squares}=20\times 20\hspace{0.17em}\text{cm}$ field.