Table 1.

Characteristics of the research group.

Sex	Age	Aneurysm location	Dimensions of the aneurysm sac (angio-CT)	The longest measurement of the aneurysm sac (3D printed model)	Dimensional deviation	Qualification for the research group	Impact of 3D model analysis	Treatment applied	Additional aneurysms
M	40	RAA	27 × 26 × 25 mm	27.29 mm	0.29 mm	Aneurysm located in the renal hilum, complicated morphology of the aneurysm, initial qualification for aneurysm repair with renal autograft	Improvement of the aneurysm morphology analysis, change of treatment method	Endovascular treatment - protection of the renal artery with a 5 × 30 mm stent and aneurysm sac coiling	N/A
F	58	SAA	20 × 12 × 11 mm	20.41 mm	0.41 mm	Aneurysm in the splenic hilum with 2 branches, complicated morphology of the aneurysm	Improvement of the aneurysm morphology analysis, selection of treatment method	Endovascular treatment - coiling of the aneurysm sac with the additional use of a 3D coil	N/A
F	62	SAA	17 × 12 × 14 mm	17.67 mm	0.67 mm	The tortuous course of the SA, complicated morphology of the aneurysm	Improvement of the aneurysm morphology analysis, selection of treatment method	Endovascular treatment - aneurysm supply with a 6 × 50 mm stent graft	In the splenic hilum, branch of SA, Ø 3 mm
F	42	SAA	25 × 22 × 17 mm	24.92 mm	0.08 mm	The tortuous course of the SA, complicated morphology of the aneurysm	Improvement of the aneurysm morphology analysis, selection of treatment method	Endovascular treatment - aneurysm supply with a 6 × 50 mm stent graft and coiling of the aneurysm sac.	In the splenic hilum, SA, Ø 4 mm.
M	44	HAA	22 × 11 × 10 mm	22.57 mm	0.57 mm	Aneurysm in the proximal section of the HA constricts the HA; MALS	Improvement of the aneurysm morphology analysis and communication with the patient	Observation	Poststenotic dilatation of the celiac trunk, up to 10 mm
F	74	SPDA, IPDA	18 × 13 × 12 mm	18.43 mm	0.43 mm	Multiple dilatations of SPDA and IPDA arteries	Improvement of the aneurysm morphology analysis	Observation	RRAA, Ø 5 mm
M	68	RAA	17 × 13 × 11 mm	17.28 mm	0.28 mm	Aneurysm on the RA division with 2 branches	Improvement of the aneurysm morphology analysis	Observation	N/A
F	46	RAA	19 × 16 × 15 mm, 9 × 9 × 8 mm	18.24 mm, 9.36 mm	0.76 mm, 0.36 mm	Two RAAs, one of them on a RA division with 3 branches	Improvement of the aneurysms morphology analysis	Observation	Celiac trunk, up to 16 mm
F	55	SAA	18 × 15 × 19 mm	19.60 mm	0.60 mm	Aneurysm on the SA division with branches	Improvement of the aneurysm morphology analysis	Observation	Left gastroomental artery, up to 13 mm

F = female, M = male, HA = hepatic artery, HAA = hepatic artery aneurysm, IPDA = inferior pancreatic-duodenal artery, MALS = median arcuate ligament syndrome, N/A = not applicable, RAA = renal artery aneurysm, RRAA = right renal artery aneurysm, SA = splenic artery, SAA = splenic artery aneurysm, SPDA = superior pancreatic-duodenal artery.