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Table 1 Distribution of FRA expression across breast histologies – TMA data

From: Folate receptor alpha (FRA) expression in breast cancer: identification of a new molecular subtype and association with triple negative disease

Histology FRA positive FRA negative Total
  N (%) N (%)  
Normal 2 (100%) 0 (0%) 2
Fibroadenoma 2 (67%) 1 (33%) 3
Cystosarcoma 0 (0%) 2 (100%) 2
DCIS – Ductal carcinoma in situ 1 (17%) 5 (83%) 6
ILC – Invasive lobular carcinoma 0 (0%) 1 (100%) 1
IDC – Invasive ductal carcinoma 18 (31%) 41 (69%) 59
Total samples: 21 (30%) 50 (70%) 71
  1. FRA folate receptor alpha, TMA tissue microarray.