Preface of the Special Issue: "Peritoneal Surface Malignancies (PSM): The SICO (Italian Society of Surgical Oncology) PSM-Oncoteam Experience, Result Analysis, and Studies' Purpose".

Over the past 40 years, strategies to treat neoplastic spread into the peritoneal space have benefitted from a gradually evolving approach, thanks mainly to studies conducted by the charismatic leader in this medical field Professor Paul Sugarbaker, Washington DC [...].