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Table 1 Clinicopathologic factors of 34 patients with metaplastic breast carcinoma

From: Diagnostic utility of snail in metaplastic breast carcinoma

Age (years), mean (range)

61.8 (32-90)

 

Histologic grade, n (%)

  

   Low grade

6 (17.6%)

 

   Intermediate grade

2 (5.9%)

 

   High grade

26 (76.5%)

 

Histologic subtypes

  

   Spindle cell

20 (58.8%)

 

   Mixed squamous and spindle cell

5 (14.7%)

 

   Squamous

4 (11.8%)

 

   Matrix producing

3 (8.8%)

 

   Adenosquamous

2 (5.9%)

 

Tumor diameter (cm), median (range)

3.0 (0.8-24)

 

Tumor size

T1

10 (29.4%)

 

T2

14 (41.2%)

 

T3

6 (17.6%)

 

T4

4 (11.8%)

Receptor Status

  

   ER positive

4 (12.1%)

 

   PR positive

3 (9.1%)

 

   Her2 positive

2 (5.9%)

 

Lymph node status

  

   Positive

5 (14.7%)

 

   Negative

29 (85.3%)

 

Surgery

  

   Mastectomy

21 (61.8%)

 

   BCT

13 (38.2%)

 

Adjuvant treatment

  

   Chemotherapy

14 (41.2%)

 

   Radiation

17 (50.0%)

 

Recurrence

Local

3 (8.8%)

 

Distant

4 (11.8%)

Overall survival, median (95% CI*)

  

   1 year

82.8% (70.1%, 97.8%)

 

   3 years

58.4% (42.0%, 81.4%)

 

Disease-free survival, median (95% CI*)

  

   1 year

78.5% (64.4%, 95.5%)

 

   3 years

71.3% (54.4%, 93.6%)

 
  1. *CI = Confidence Interval