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Table 1 Number of specimens available in the COSMIC whole genomes v68 database, with point mutations (PM) or with both point mutations and copy number aberrations (PM + CN), including those in the training set and those in the testing set. Categories with counts <200 were not analyzed and are omitted here

From: TumorTracer: a method to identify the tissue of origin from the somatic mutations of a tumor specimen

Primary site PM PM + CN
Breast 936 850
Endometrium 281 246
Kidney 468 300
Large intestine 592 486
Liver 415  
Lung 807 476
Ovary 497 462
Pancreas 311  
Prostate 372  
Skin 296  
Total 4975 2820