Half full or half empty VATS?

Cardiothoracic Surgeons of Great Britain and Ireland. Tom Treasure is responsible to the society for the collection and collation of these data and has a mandate from the society’s annual general meeting of its members to disseminate information based on the data. Contributors: AS, TT, and JvdM were responsible for study concept and design. TT and AS were responsible for acquisition of the data and administrative, technical, or material support. AS and JL analysed the data and provided statistical expertise. AS drafted and TT finalised the manuscript. All authors interpreted the results and critically revised the manuscript for important intellectual content. TT and AS are guarantors. Funding: There was no specific funding for this study. Competing interests: None declared. Ethical approval: Not required.