Table 1.

Number of LL radiographs showing the following included radiographic findings.

Radiographic finding	Data Set 1	Data Set 2
Unremarkable	1279	365
Cardiomegaly	583	138
Bronchial pattern	123	33
Mass	94	32
Pleural effusion	76	16
Alveolar pattern	59	41
Pneumothorax	33	12
Megaoesophagus	33	21
Pneumomediastinum	5	3
Tracheal collapse	10	2
Hernia	5	2
Fracture	5	3
Excluded	632	77