title: Invited commentary.
authors.affiliation: Division of Thoracic Surgery, Ospedali Riuniti Ancona, Via Conca 71, Ancona, 60020 Italy. brunellialex@gmail.com
authors.forename: Alessandro
authors.initials: A
authors.lastname: Brunelli
mesh_terms: D006325:Heart Atria; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008198:Lymph Nodes / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000473:pathology*; D009361:Neoplasm Invasiveness; D010496:Pericardium; D011379:Prognosis; D011667:Pulmonary Veins; D019043:Vascular Neoplasms / Q000473:pathology*