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Table 1 Clinicopathologic features

From: Preoperative tumor biopsy results in more detected sentinel nodes than intraoperative biopsy in breast cancer patients

Clinicopathologic characteristic

Patients with preoperative biopsy

Patients with intraoperative biopsy

p

No. (%)

No. (%)

Patient age

   

 ≤ 50 years

52 (48%)

45 (47%)

0.856

 > 50 years

56 (52%)

51 (53%)

 

Tumor size

   

 T1

47 (43.5%)

50 (58.1%)

 

 T2

50 (46.3%)

32 (37.2%)

0.087

 T3

11 (10.2%)

4 (4.7%)

 

Tumor location

   

 Central/subareolar

19 (17.6%)

12 (12.5%)

 

 Inner quadrant

30 (27.8%)

27 (28.2%)

0.694

 Outer quadrant

59 (54.6%)

57 (59.3%)

 

Histologic subtype

   

 Ductal

105 (97%)

91 (95%)

 

 Lobular

3 (3%)

5 (5%)

0.372