Diagnosis prediction of tumours of unknown origin using ImmunoGenius, a machine learning-based expert system for immunohistochemistry profile interpretation

Table 2 The original diagnoses of the training and validation dataset of TUO

Organ	Training data				Validation data				Test data
Organ	No.	%	Errors	%	No.	%	Errors	%	No.	%	Errors	%
Primary carcinoma	232	41.3%	42	18.1%	163	42.7%	25	15.3%	89	54.3%	7	7.9%
Metastatic carcinoma	151	26.9%	39	25.8%	98	25.7%	26	26.5%	19	11.6%	4	21.1%
Benign (normal) lesion	33	5.9%	4	12.1%	22	5.8%	3	13.6%	13	7.9%	1	7.7%
Benign mesenchymal tumor	120	21.4%	28	23.3%	80	20.9%	24	30.0%	24	14.6	4	16.7%
Malignant mesenchymal tumor	26	4.6%	8	30.8%	19	5.0%	6	31.6%	19	11.6%	2	10.5%
	562	100.0%	121	21.5%	382	100.0%	84	22.0%	164	100%	18	11%

ISSN: 1746-1596