Table 3. Different immunohistochemical expression levels of SSTR2A, 5 and CXCR4 (number of positive cases/total cases).

(IRS > 2 and < 5 points)	G1	G2	G3
			G3a	G3b
CXCR4	11/31 (35.5%)	26/47 (55.3%)	13/18 (72.2%)	19/22 (86.4%)
SSTR2A	31/31 (100%)	45/47 (95.7%)	12/17 (70.6%)	14/22 (63.6%)
SSTR5	20/31 (64.5%)	42/47 (89.4%)	13/17 (76.5%)	20/22 (90.9%)
(IRS ≥ 5 and ≤ 8)	G1	G2	G3
			G3a	G3b
CXCR4	7/31 (20.0%)	10/47 (21.3%)	5/18 (27.8%)	15/22 (68.2%)
SSTR2A	28/31 (90.3%)	43/47 (91.5%)	7/17 (41.2%)	10/22 (45.5%)
SSTR5	10/31 (32.3%)	25/47 (53.2%)	10/17 (58.8%)	11/22 (50.0%)
(IRS > 8)	G1	G2	G3
			G3a	G3b
CXCR4	0/31 (0.0%)	2/47 (4.3%)	1/18 (5.6%)	11/22 (50.0%)
SSTR2A	22/31 (71.0%)	30/47 (63.8%)	3/17 (17.6%)	6/22 (27.3%)
SSTR5	2/31 (6.5%)	4/47 (8.5%)	3/17 (17.6%)	2/22 (9.1%)