It was reported that stent inadequate apposition, stent migration, and stent damage occurred.The 80% stenosed target lesion was located in the moderately tortuous and severely calcified left circumflex artery.A 2.50 x 32mm synergy drug-eluting stent was advanced to treat the lesion.However, upon deployment, the stent was not fully expanded.When the stent delivery balloon was moved to the proximal part of the stent, the stent got caught in the balloon and was stretched about 15mm towards the proximal area.The procedure was completed and the missed lesion remained uncovered.No patient complications were reported and the patient's status was stable.
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