Table 4.

Results of stent occlusion

Stent occlusion	16/57 (28.1%)
Duration to stent occlusion (days, median)	51 (14-158)
Cause of stent occlusion
Tumor ingrowth	12 (75.0%)
Tumor overgrowth	4 (25.0%)
Management of stent occlusion
Stent reinsertion	13 (81.3%)
Surgery	3 (18.8%)