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Serial changes in neointima before (left panel) and after (right panel) drug-coated balloon angioplasty in in-stent restenotic lesions. (A) Homogeneous neointima: acute luminal gain was mostly derived from stent overexpansion (68.0%, 1.7 mm2/2.5 mm2). (B) Heterogeneous neointima: acute luminal gain was mostly derived from neointimal compression (85.0%, 1.7 mm2/2.0 mm2).
