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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