Poorly cohesive cells gastric carcinoma including signet-ring cell cancer: Updated review of definition, classification and therapeutic management

Table 2 Concordance rates between World Health Organization and Laurén classification systems

Ref.	Reclassification of SRC and PCC-GC according to Laurén classification
	n	% Intestinal	% Diffuse	% Mixed
Pyo et al[7], 2016	3170	0.6	96.3	3.1
Pyo et al[173], 2017	5309	0.0	96.1	3.9
Wanebo et al[174],1993	187	2	87	11
Hass et al[175], 2011	160	7.6	66.2	26.2
Lee et al[176], 2012	320	0.0	90.6	9.4
Heger et al[58], 2014	235	0.0	75.3	20.0
Chon et al[53], 2017	1646	1.2	96.4	2.4

SRC: Signet ring cells; PCC: Poorly cohesive cells; GC: Gastric cancer.