Key points are not available for this paper at this time.
Disclosure: DFY is a named inventor on a number of patents and patent applications related to the evaluation of chest diseases including measurements of chest nodules.DFY has received financial compensation for the licensing of these patents.In addition, he is a consultant and coowner of Accumetra, a private company developing tools to improve the quality of CT imaging.He is on the advisory board and owns equity in HeartLung, a company that develops software related to CT scans of the chest.He is on the medical advisory board of Median Technology that is developing technology related to analyzing pulmonary nodules and is on the medical advisory board of Carestream, a company that develops radiography equipment and has consulted for Genentech, AstraZeneca and Pfizer.CIH is also an inventor of the patents and pending patents
Zhu et al. (Tue,) studied this question.