Invasive (n) in situ (n) N/A (n)
Total 8 6 6
Ductal 6 6 8
ER+ 4 0 13
ER-- 2 1
Her2+ 1 1 15
Her2-- 3  0 
Stage      
1 2    
2 1    
3 5    
4 0    
Table 4: Histological types of the breast cancer.