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GTV_Lumpectomy
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Drawn by physicians |
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CTV_Lumpectomy
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Expand GTV_Lumpectomy by 1 cm in all directions, limited posteriorly to the pectoralis major, anterolaterally to 5 mm from the skin and medially to the midline |
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PTV_Lumpectomy
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Expand CTV_Lumpectomy by 7 mm in all directions, excluding the heart |
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PTVeval_Lumpectomy
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PTV_Lumpectomy within ipsilateral breast tissue and 5 mm from the skin |
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CTV_Breast
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Drawn by physicians, OR, Breast tissue, segmented based on the HU threshold, within the volume defined by boundary points |
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PTV_Breast
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Expand CTV_breast by 7 mm in all directions, excluding the heart and not crossing the midline |
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PTVeval_Breast
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PTV_breast limited posteriorly to ribs and anterolaterally to 5 mm from the skin |
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PTVeval_Breastopt
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The intersection of PTVeval_Breast and the volume under beam contracted 5mm uniformly. This volume was used for optimization only |
