Fig. 2. Illustration of three phase balloon dilation technique originally described by Molnar and Stockum (Radiology. 1978;129:59–64) with permission. (a) The catheter is in position for external drainage; (b) it is introduced across the stricture to provide internal drainage; (c) the balloon catheter, positioned in the poststenotic area, is set for dilatation. Rt, right; Lt, left.

Gastrointestinal Intervention 2017;6:70~77 https://doi.org/10.18528/gii160034

© Int J Gastrointest Interv