Advancements in Case Studies Pneumomediastinum as a Rare Consequence of Breast Cancer Surgery Sparavigna Marco1,2, Gipponi Marco1*, Franchelli Simonetta1, Atzori Giulia1, Cornacchia Chiara1, Diaz Raquel3, Murelli Federica1,3, Depaoli Francesca1, Friedman Daniele1,3 and Fregatti Piero1,3 1Breast Clinic, San Martino Policlinic Hospital, Italy 2Department Internal Medicine, University Genoa, 3Depa...