Table 2.

Prevalence of TRK Fusions Overall and by Cancer Type.

Histology	Percent	95% CI	Fraction
Overall	0.28%	[0.22% - 0.35%]	74/26312
Salivary Carcinoma	5.29%	[2.76% - 9.05%]	12/227
Thyroid Cancer	2.22%	[1.07% - 4.04%]	10/451
Sarcoma NOS	1.17%	[0.54% - 2.21%]	9/770
Uterine Sarcoma	1.15%	[0.14% - 4.09%]	2/174
Glioblastoma Multiforme	0.62%	[0.17% - 1.59%]	4/641
Appendiceal Adenocarcinoma	0.57%	[0.01% - 3.12%]	1/176
Melanoma	0.54%	[0.17% - 1.25%]	5/932
Biliary Tract Cancer	0.36%	[0.04% - 1.30%]	2/553
Unknown Primary	0.31%	[0.01% - 1.74%]	1/318
Colon Cancer	0.35%	[0.15% - 0.68%]	8/2306
Pancreatic Cancer	0.30%	[0.08% - 0.78%]	4/1315
Lung Adenocarcinoma	0.16%	[0.06% - 0.36%]	6/3658
Invasive Breast Carcinoma*	0.08%	[0.02% - 0.23%]	3/3775

^*Excludes Secretory Breast Cancer