1. Oncology Unit, ASST Cremona, 26100 Cremona, Italy
2. Oncology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
3. Department of Pathology, ASST Cremona, 26100 Cremona, Italy
4. Gynecology Unit, ASST Cremona, 26100 Cremona, Italy
5. General Surgery Unit, ASST Cremona, 26100 Cremona, Italy