case_images: PMC6382906_01
case_images: Balloon angioplasty performed on the left pulmonary artery stenosis is observed
case_images: AJC-21-46-g001.jpg
case_images: PMC6382906_01_AJC-21-46-g001.jpg
case_images: F1
case_images: At this age, balloon angioplasty was performed using gradually increasing balloon sizes of 8, 10, and 12 mm (balloon/stenosis ratio: 3.2) (Fig. 1).