A 29-year-old female was diagnosed to have adult-type anomalous left coronary artery from pulmonary artery (ALCAPA). She underwent a two-coronary system repair using left internal mammary artery and right internal mammary artery Y (LIMA-RIMA Y) off-pump coronary artery bypass grafting and made an uneventful postoperative recovery. The usage of off-pump LIMA-RIMA Y graft can be a suitable option for adult ALCAPA with a potential for good long-term outcomes.
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