Table 1 Characteristics of p-NEN lesions that underwent EUS-TA.

		Total	≤10 mm	10–20 mm	>20 mm	P value
Statistically significant P values are indicated in bold. EUS-TA, endoscopic ultrasound-guided tissue acquisition; FNA, fine-needle aspiration; FNB, fine-needle biopsy; IQR, interquartile range; MEN 1, multiple endocrine neoplasia type 1; MiNEN, mixed neuroendocrine non-neuroendocrine neoplasm; NEC, neuroendocrine carcinoma;NET, neuroendocrine tumor; p-NEN, pancreatic neuroendocrine tumor.
Number of lesions		82	30	30	22
Age (years)	Median (IQR)	64 (54.3–73)	64 (54.8–72.3)	65 (56–74.8)	61.5 (52–70.5)	0.65
Sex	Male/female	39/43	14/16	15/15	10/12	0.94
Size (mm)	Median (IQR)	12 (9–22)	8.4 (7.8–9.8)	12.4 (12–15)	35.5 (26.3–50)
Symptoms	N (%)	7 (8.5)	2 (6.7)	3 (10.0)	2 (9.1)	0.89
Cystic component	N (%)	4 (4.9)	0 (0.0)	1 (3.3)	3 (13.6)	0.07
Metastasis	N (%)	15 (18.3)	0 (0.0)	4 (13.3)	11 (50.0)	<0.01
Multiple lesion	N (%)	14 (17.1)	7 (23.3)	2 (6.7)	5 (22.7)	0.16
MEN1	N (%)	5 (6.1)	3 (10.0)	0 (0.0)	2 (9.1)	0.23
Tumor location						0.31
Head	N (%)	26 (31.7)	6 (20.0)	12 (40.0)	8 (36.4)
Body	N (%)	29 (35.4)	12 (40.0)	9 (30.0)	8 (36.4)
Tail	N (%)	27 (32.9)	12 (40.0)	9 (30.0)	6 (27.3)
Surgery	N (%)	52 (63.4)	22 (73.3)	18 (60.0)	12 (54.5)	0.03
Final diagnosis						0.02
NET G1	N (%)	58 (70.7)	28 (93.3)	20 (66.7)	10 (45.5)
NET G2	N (%)	15 (18.3)	2 (6.7)	7 (23.3)	6 (27.3)
NET G3	N (%)	1 (1.2)	0 (0.0)	1 (3.3)	0 (0.0)
NET (grading undiagnosed)	N (%)	1 (1.2)	0 (0.0)	0 (0.0)	1 (4.5)
NEC	N (%)	5 (6.1)	0 (0.0)	2 (6.7)	3 (13.6)
MiNEN	N (%)	2 (2.4)	0 (0.0)	0 (0.0)	2 (9.1)