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Table 1 Patient and tumor characteristics (CTV: Clinical Target Volume; PTV: Planning Treatment Volume; WB: Whole Breast)

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

   Median age (min - max) (years) 63 (56 - 77)
Laterality (number of patients) Left 5/7
  Right 2/7
Histology (number of patients) Invasive Ductal Carcinoma 7/7
   Median tumor size (min - max) (mm) 7 (4 - 11)
   Mean excision cavity size (min - max) (cm3) 44 (9 - 90)
   Median CTV (min - max) (cm3) 13.61 (3.07 - 64.88)
   Median PTV (min - max) (cm3) 110.41 (35.2 - 304.10)
   Unfavorable anatomy (number of patients) 4/7
   Large PTV/WB ratio (number of patients) 3/7