Table 1.

Barcode count for recombinations identified for TcR genes in primary tumor and marginal tissue, in TCGA-KIRC WXS files

TcR gene	341 tumor barcodes				265 marginal tissue barcodes
	Productive		Unproductive		Productive		Unproductive
α	217	64%	311	91%	103	39%	263	99%
β	126	37%	36	11%	80	30%	12	5%
δ	2	0.6%	9	3%	1	0.4%	15	6%