“…In the clinical setting, management of coronary side branch (SB) ostial lesions (Medina 0.0.1) with stent implantation has always been a challenging strategy due to a variety of factors, including ostial geographic miss and main vessel (MV) compromise (carina shift, dissection, etc.). 1 - 3 Therefore, optimal medical therapy has been the initially preferred strategy in patients with SB ostial lesions. 1 In this context, certain strategies, including the use of drug-coated balloons (DCBs), have also conferred promising results.…”