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Table 2 Breast cancer characteristics

From: Damage effect of high-intensity focused ultrasound on breast cancer tissues and their vascularities

  Control group (n = 25) HIFU group (n = 25) p value
Tumor size: mean (range) 2.3~4.5 cm 2.1~4.8 cm p = NS
Breast cancer TNM staging: n (%)  
 Stage I 7 (28.0 %) 6 (24.0 %) p = NS
 Stage IIa 5 (20.0 %) 4 (16.0 %)  
 Stage IIb 13 (52.0 %) 15 (60.0 %)  
 Not reported 0 (0.0 %) 0 (0.0 %)  
Histopathologic grade  
 G1 well differentiated 12 (48.0 %) 10 (40.0 %) p = NS
 G2 moderately differentiated 9 (36.0 %) 12 (48.0)%  
 G3 poorly differentiated 4 (16.0 %) 3 (12.0 %)  
Receptor status    
 ER+/PR+ 14 (56.0 %) 13 (52.0 %) p = NS
 ER+/PR− 2 (8.0 %) 4 (16.0 %)  
 ER−/PR− 8 (32.0 %) 7 (28.0 %)  
Histological subtype  
 Infiltrating ductal carcinoma 14 (56.0 %) 13 (52.0 %) p = NS
 Infiltrating lobular carcinoma 5 (20.0 %) 7 (28.0 %)  
 Other subtype 6 (24.0 %) 5 (20.0 %)  
Ipsilateral lymph node metastasis  
 Sentinel lymph node biopsy 10 (40.0 %) 10 (40 %) p = NS
 Postoperative permanent pathology 11 (44.0 %) 12 (48 %)  
 Not reported 0 (0.0 %) 0 (0 %)  
Lesion location: side    
 Left side 12 (48.0 %) 14 (56.0 %) p = NS
 Right side 13 (52.0 %) 11 (44.0 %)  
Lesion location: vertical  
 Upper 7 (28.0 %) 9 (36.0 %) p = NS
 Lower 11 (44.0 %) 10 (40.0 %)  
 Midline 7 (28.0 %) 5 (20.0 %)  
Lesion location: horizontal  
 Upper 7 (28.0 %) 9 (36.0 %) p = NS
 Lower 11 (44.0 %) 10 (40.0 %)  
 Midline 7 (28.0 %) 5 (20.0 %)  
  1. ER+ estrogen receptor positive, ER− estrogen receptor negative, PgR+ progesterone receptor positive, PgR− progesterone receptor negative, cm centimeters, NS nonsignificant