[Overview of The AJCC Lung Cancer Staging System, Eighth Edition may give us more thought: opportunities and challenges].

The AJCC Lung Cancer Staging System, Eighth Edition has been officially published in January 2017. The implementation of the new stage classification will help clinicians to make right judgment about how well particular management strategies and associate results apply to new patient. This review briefly describes some important content change, compares the differences between old and new versions. It also shares author's some new thoughts. The author expresses the hope that through our joint efforts, China thoracic surgeons can play more important roles and make greater contribution in the international field of lung cancer research.