Table 2.

Results for cancer-type recognition (horizontal search) among diagnostic slides.

Tumor Type	WSI count	Patient count	Hit rate (%)			Majority-5		Majority-10
			Top-10	Top-5	Top-3	Accuracy	Recall	Accuracy	blackRecall
Brain	1692	870	98.99	97.81	96.69	91.37	94.33	91.60	94.80
Pulmonary	1109	1011	98.46	96.12	91.70	75.83	84.58	76.19	86.29
Prostate/testis	701	550	97.43	94.86	92.15	80.31	86.73	82.88	85.31
Breast	1116	1049	95.96	91.57	87.09	70.87	78.79	71.50	78.61
Gastrointestinal tract	1144	1108	95.54	90.73	85.83	65.12	74.25	67.91	74.59
Urinary tract	1374	1275	95.41	90.82	85.51	66.01	74.56	69.21	73.84
Gynecological	1039	933	95.28	90.37	84.50	63.71	73.40	66.89	74.88
Endocrine	936	732	94.55	91.88	88.67	73.93	81.45	77.13	81.34
Liver, pancreaticobiliary	618	585	93.85	87.37	82.20	63.75	70.32	64.72	70.81
Head and neck	466	446	90.55	82.40	75.96	49.14	60.94	54.50	57.94
Melanocytic malignancies	551	509	88.20	79.31	70.41	37.20	51.91	43.73	52.09
Mesenchymal	594	253	87.37	80.63	73.73	50.84	61.78	53.70	64.14
Hematopoietic	221	163	84.61	81.44	76.47	52.03	64.25	56.56	61.09

Every whole-slide image was compared with all other slides in the repository regardless of the primary site. The table is sorted based on Top-10 hit rates. The accuracy and recall (sensitivity) for majority-5 and majority-10 among search results are provided as well.