Table 1. Selected peritoneal surface malignancy centers and their patient volume.

Peritoneal surface malignancy center	Total number of cases	Years	No. of cases/year	Current No. of cases per year assuming a 3% annual growth rate
MD Anderson Cancer Center (5)	221	6 [2006-2012]	36.8	40
University of Pittsburgh Medical Center (6)	1,432	12 [2002-2014]	119.3	123
Wake Forest University School of Medicine (7)	1,000	22 [1991-2013]	45.5	48
Washington Cancer Institute (8)	183	3.5 [1994-1998]	52.3	86
Centre Hospitalier Lyon-Sud, France (9)	207	12 [1989-2001]	17.3	26
Kusatsu General Hospital, Japan (10)	250	4 [2007-2011]	62.5	70
National Cancer Institute, Milan, Italy (11)	414	15.5 [1995-2011]	26.7	30
Netherlands Cancer Institute, Amsterdam (12)	554	17 [1995-2012]	32.6	36
North Hampshire Hospital, Basingstoke, UK (13)	100	6.5 [1994-2000]	15.4	24
University Medical Center, Regensburg, Germany (14)	307	6.5 [2004-2010]	47.2	55
University of New South-Wales, Australia (15)	562	7.5 [2006-2013]	74.9	79
Uppsala University Hospital, Sweden (16)	103	3 [2003-2006]	34.3	45
Mean				55