Diamantis Chloros1
, Grigorios Bitzikas2
, Marianna Kakoura1
, Georgios Chatzikostas2
, Charlie Makridis3
and Ioannis Tsitouridis4 
1
Lung Unit, Papageorgiou Hospital, Ring Road N Efkarpia, Thessaloniki 56403, Greece
2
Department of Thoracic and Cardiovascular Surgery, Papageorgiou Hospital, Ring Road N Efkarpia, Thessaloniki 56403, Greece
3
1st Clinic of General Surgery, Papageorgiou Hospital, Ring Road N Efkarpia, Thessaloniki 56403, Greece
4
Department of Radiology, Papageorgiou Hospital, Ring Road N Efkarpia, Thessaloniki 56403, Greece