Evaluation and treatment of malignant ascites secondary to gastric cancer

Table 1 Incidence of peritoneal dissemination and ascites development due to gastric cancer

Ref.	No. of patients	Period	Country	Status of primary disease	Incidence
Development of peritoneal dissemination
Nakajima et al[10]	7060	1960-1988	Japan	After gastrectomy	14.2%
Nashimoto et al[12]	13002	2002	Japan	After gastrectomy	9.9% (related to death)
Development of ascites
Lello et al[15]	356	1980-2004	Norway	At initial diagnosis	6.2%
Yajima et al[31]	293	1988-2002	Japan	GC with T2-3 at diagnosis	15.0%
Fang et al[16]	5542	2007-2012	China	At initial diagnosis	2.6%1
				During the course of disease	3.7%1
Kitayama et al[14]	83	2006-2008	Japan	Peritoneal recurrence	40.0%
Tahara et al[13]	56	1993-1999	Japan	Peritoneal recurrence	46.4%

¹Diagnosis of malignant ascites is limited to ascites with positive cytology.