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Procedural steps. A. Wiring both branches; B. Lesion preparation: cutting/scoring balloon with balloon/vessel = 0.8~1.0; C. Drug-coated balloon angioplasty; D. Results after DCB angioplasty in hybrid group (or planned DCB-only, but ≥ Type C dissection happened after DCB angioplasty); E. Final result in DCB-only group; F. Stent deployment. Black arrow: Dissection (≥ type C or flow-limited). d: the distance between the proximal end of the stent and the ostium of the vessel ≥ 3 mm.
