Robotic resection of duodenal gastrointestinal stromal tumour: Preliminary experience from a single centre

Table 1 Patient demographics

Clinicopathologic features	Value (%)
Mean age (range), yr	51.3 ± 13.1 (30-84)
Sex, male/female
Male	19 (68)
Female	9 (32)
Tumor location
Bulb	2 (7)
Descending section	16 (57)
Horizontal section	9 (32)
Ascending section	1 (4)
Surgical technique
Open surgery	13 (46)
Robotic surgery	15 (54)
Types of resection
Limited resection	17 (61)
PD	11 (39)
Tumor size (cm)
≤ 2	2 (7)
2-5	17 (61)
5-10	7 (25)
> 10	2 (7)
Risk assessment (NIH 2008)
Low	19 (68)
Medium	5 (18)
High	4 (14)
Resection margin status
R0	28 (100)
R1	0
Postoperative targeted drug therapy
Yes	9 (32)
No	19 (68)
Postoperative recurrence and metastasis
Yes	4 (14)
No	24 (86)

NIH: National Institutes of Health.