Is endoscopic ultrasonography still the modality of choice in preoperative staging of gastric cancer?

Table 5 Performance of positron emission tomography in preoperative N staging

Ref.	Year	Number of patients (n)	Staging	Accuracy (%)	Sensitivity (%)	Specificity (%)
Mochiki et al[60]	2004	85	N	-	23.3	100
Tian et al[63]	2004	30	N	73.3	52.9	100
Chen et al[61]	2005	68	L-LN	63	56	92
			D-LN	95	88	96
Yun et al[69]	2005	81	N1	56	34	96
			N2	72	34	96
			N3	95	50	99
Kim et al[62]	2006	73	N	-	40	95.2
Mukai et al[70]	2006	62	N	67.7	34.5	97
Yang et al[64] (PET/CT)	2008	78	N	55.1	31	97.2