25-on-25: twenty-five perspectives on twenty-five years of cardiopulmonary imaging. Part III.

The 25th anniversary year of the Journal is an opportune time for both reflecting on the past and envisioning the future of cardiopulmonary imaging. The purpose of this special year-long feature is to provide our readers with the collective perspectives of 25 international leaders in the field regarding the following questions: 1. ‘‘What is the most influential article or advance in our specialty in the past 25 years?’’ 2. ‘‘Which potential advance or line of research of the last 25 years failed to live up to your expectations?’’ 3. ‘‘What are the greatest opportunities and challenges for our specialty in the coming 25 years?’’ 4. ‘‘What will our specialty look like 25 years from now?’’