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Table 3 Patients with a large tumor bed volume: Whole Breast (WB) and Planning Treatment Volume (PTV) exposure after APBI treatment planning (1) in phase II trial; (2) non-coplanar and (3) mixed modalities.

From: Mixed modality treatment planning of accelerated partial breast irradiation: to improve complex dosimetry cases

Whole breast
  Usual
dosimetric
constraints
(1) (2) (3)
   Patient 1 Patient 2 Patient 3 Patient 1 Patient 2 Patient 3 Patient 1 Patient 2 Patient 3
V16 24 - 57 56.4 64.6 58.3 63.8 61.6 62.8 61.2 58.9 62.4
V20 23 - 54 54.4 63.4 56.1 58.9 57.1 59.5 51.4 52.2 56.9
V32 21 - 50 47.6 56.8 51.7 40.7 42 43.5 39.6 39.5 43.2
PTV coverage
  Usual
dosimetric
constraints
(1) (2) (3)
   Patient 1 Patient 2 Patient 3 Patient 1 Patient 2 Patient 3 Patient 1 Patient 2 Patient 3
V38 99 - 100 93.5 100 100 100 100 100 99.9 99.9 100
V40 95 - 100 60.6 93.5 98.7 99.3 100 99.2 95.3 94.5 96.7