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Figure 3: Dynamic IMBT (D-IMBT) applicators design based on electronic sources. (a) S-RSBT applicator design.[82] (b) D-RSBT.[83] (c) P-RSBT.[84] (d) H-RSBT.[85] IMBT: Intensity-modulated brachytherapy, RSBT: Rotational shield brachytherapy, S-RSBT: Single-shielded RSBT, D-RSBT: Dynamic RSBT, P-RSBT: Paddle RSBT, H-RSBT: Multihelix RSBT

Figure 3: Dynamic IMBT (D-IMBT) applicators design based on electronic sources. (a) S-RSBT applicator design.<sup>[82]</sup> (b) D-RSBT.<sup>[83]</sup> (c) P-RSBT.<sup>[84]</sup> (d) H-RSBT.<sup>[85]</sup> IMBT: Intensity-modulated brachytherapy, RSBT: Rotational shield brachytherapy, S-RSBT: Single-shielded RSBT, D-RSBT: Dynamic RSBT, P-RSBT: Paddle RSBT, H-RSBT: Multihelix RSBT