Table 1.

Patient and tumor characteristics (N = 5)

Patient characteristics
Male sex, n(%)	3 (60)
Age, median(range)	56 (41–76)
Body mass index, median(range)	27.8 (21.7–35.1)
ASA score, n(%)
1	1 (20)
2	4 (80)
3	0 (0)
4	0 (0)
Prague classification, median(range)
C	0 (0–1)
M	1 (0–5)
Endoscopic resection technique, n(%)
EMR	2 (40)
ESD	3 (60)
Adverse events during endoscopic resection, n(%)	0 (0)

Tumor characteristics
Patient	1	2	3	4	5
Tumor location in cm from bite block	40	35	38	40	37
Primary lesion type	0-IIa	0-IIa	0-IIc	0-Is	0-IIa
Secondary Paris component	0-IIc	0-IIc	-	-	0-IIc
Tumor length in mm	15	30	10	20	30
Tumor circumferential extent in %	25	25	20	25	25

Pathology characteristics
Patient	1	2	3	4	5
Submucosal invasion depth	SM2	SM3	SM3	SM3	SM2
Tumor differentiation	Poor	Moderate	Poor	Moderate	Moderate
Lymphovascular invasion	No	Yes	No	No	No
Positive vertical (deep) resection margins	Yes	Yes	No	No	Yes
Remaining tumor in the surgical resection specimen	Yes, T3	No	No	No	Yes, T1sm3