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Table 1 Clinicopathologic variables for the breast cancer patient cohort (n = 1009)

From: ALK alteration is a frequent event in aggressive breast cancers

Age  
 Median 46.0
 Range (IQR)^ 39.0–54.0
Histologic type  
 Infiltrating ductal carcinoma 918 (91.0)
 Infiltrating lobular carcinoma 46 (4.6)
 Mucinous carcinoma 16 (1.6)
 Other subtype carcinoma 29 (2.9)
Histologic grade  
 Well differentiated 73 (7.2)
 Moderately differentiated 484 (48.0)
 Poorly differentiated 397 (39.3)
 Unknown 55 (5.5)
Lymph node status  
 Positive 627 (62.1)
 Negative 306(30.3)
 Unknown 76(7.5)
TNM stage  
 I 76 (7.5)
 II 378 (37.7)
 III 314 (30.8)
 IV 91 (9.1)
 Unknown 150 (14.9)
  1. ^Interquartile range (IQR)