sample_id,expression_subtype TCGA-37-4135-01,primitive TCGA-60-2709-01,secretory TCGA-22-5492-01,secretory TCGA-37-5819-01,primitive TCGA-60-2721-01,basal TCGA-33-4583-01,classical TCGA-66-2795-01,classical TCGA-22-5478-01,secretory TCGA-21-5782-01,basal TCGA-22-5482-01,classical TCGA-46-6025-01,classical TCGA-60-2726-01,primitive TCGA-18-3410-01,secretory TCGA-66-2742-01,basal TCGA-66-2734-01,basal TCGA-63-5128-01,classical TCGA-21-1081-01,basal TCGA-43-5668-01,secretory TCGA-33-4532-01,classical TCGA-39-5027-01,classical TCGA-18-3408-01,classical TCGA-22-5474-01,classical TCGA-21-1078-01,primitive TCGA-22-4595-01,basal TCGA-33-4566-01,secretory TCGA-37-4133-01,classical TCGA-18-3417-01,secretory