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Table 3 Patient and tumor characteristics

From: Optimization of breast cancer excision by intraoperative ultrasound and marking needle - technique description and feasibility

  Number of patients %
Tumor localisation
Upper outer quadrant 14 (1 non-palpable) 43.75
Upper inner quadrant 6 18.75
Lower outer quadrant 8 (2 non-palpable) 25.0
Lower inner quadrant 4 12.5
Tumor type
Invasive ductal carcinoma 28 (3 non-palpable) 87.5
Invasive lobular carcinoma 4 12.5
Axillary surgery
Sentinel lymph node biopsy 25 (3 non-palpable) 78.0
Axillary lymph node dissection 7 22.0
  1. Mean tumor volume (three diameters multiplied) in cm3 (range): 4.4 (0.28 to 15.12); (volume of non-palpable tumors: 0.28, 0.336, and 0.448 cm3).