1 Unit of Medical Oncology, Department of Translational Research and of New Surgical and Medical Technologies, University of Pisa, 56126 Pisa, Italy.
2 Unit of Pathological Anatomy, University Hospital of Pisa, 56125 Pisa, Italy.
3 Department of Surgical, Medical, and Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy.
4 Unit of Thoracic Surgery, University Hospital of Pisa, 56125 Pisa, Italy.
5 Unit of Pneumology, University Hospital of Pisa, 56125 Pisa, Italy.
6 Department of Surgical, Medical, and Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy. Electronic address: greta.ali@unipi.it.