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Circular field shaping by single‐layer and dual‐layer leaves of dual‐layer micro‐multileaf collimator (DmMLC). (a) Beam‐eye view (BEV) using single‐layer leaves of the DmMLC. (b) Radiograph by single‐layer leaves of DmMLC. (c) Isodose lines of circular field shaped by single‐layer leaves of DmMLC. (d) BEV of dual‐layer leaves of DmMLC. (e) Radiograph by dual‐layer leaves of DmMLC. (f) Isodose lines of circular field shaped by dual‐layer leaves of DmMLC.
