Table 4. Comparison in detection dates depending on length of clinical experience as pulmonologist.

Less than vs. more than 97 months career	F	A	DX	E
P value	N/A	0.665	0.165	0.485

A, earliest image with which cancer was diagnosed when the radiographs were viewed without time constraints, distractors, and side-by-side cropped images; DX, earliest image suggestive of cancer when viewing side-by-side cropped radiographs; E, earliest image suggestive of a lesion when viewing side-by-side cropped radiographs; F, image at the time of actual diagnosis. N/A, not applicable.