Fig. 2.

Effect of tumour resection surgery on NETest and CgA levels in patients with midgut NETs. a Individual NETest scores (pre- and postoperative levels) in groups 1, 2 and 3. b Pre- and postoperative NETest scores in the entire study cohort (n = 13, p = 0.067). c Pre- and postoperative NETest scores in groups 1, 2 and 3 (Group 1: n = 4, p = 0.047; Group 2: n = 4, p = 0.2623; Group 3: n = 5, p = 0.958). *p ≤ 0.05. d Pre- and postoperative CgA measurements in individual patients of groups 1, 2 and 3. e Pre- and post-operative CgA measurements in the entire patient cohort. f Pre- and postoperative CgA measurements in each of the groups 1, 2 and 3