Table 1.

Number of images in each disease category before and after merging.

Before		After
Categories	Count	New Categories	Abbr.	Count
Normal	1212	Normal	Normal	1212
Aortic arch atherosclerotic plaque	28	Aortic sclerosis (calcification)	AorScl(Cal)	83
Aortic arch calcification	16
Aortic atherosclerosis	25
Aortic wall calcification	20
Aortic curvature	65	Arterial curvature	ArtCur	93
Thoracic vertebral artery curvature	28
Small pulmonary nodules	15	Small pulmonary nodules	SmaPulNod	15
Shadows of pulmonary nodules	8	Shadows of pulmonary nodules	ShaOfPulNod	8
Tuberculosis	6	Tuberculosis	tuberculosis	6
Pulmonary fibrosis	30	Pulmonary fibrosis	PulFib	30
Increased lung streak	89	Increased lung patterns	IncLunPat	225
Lung field infiltration	138
Obvious hilar	55	Obvious hilar	ObvHil	55
Degenerative joint disease of the thoracic spine	75	Spinal lesions	SpiLes	170
Scoliosis	100
Intercostal pleural thickening	52	Intercostal pleural thickening	IntPleThi	52
Cardiac hypertrophy	41	Cardiac hypertrophy	CarHyp	41
Heart pacemaker placement	9	Heart pacemaker placement	HeaPacPla	9