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. 2020 Sep 28;12:9173–9182. doi: 10.2147/CMAR.S269893

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© 2020 Chen et al.

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Relationship between MHD and the distance of heart (DHL) for left-sided breast cancer patients. (A) Representative images of the distance of heart (DHL) is shown (A: the midline of the sternum; B: the left middle axillary line; DHL: orange; PTV: light green). (B) The values of DHL plotted against mean heart dose. DHL indicated good positive linear correlation with mean heart dose for all patients.