Catastrophic hemorrhage during pulmonary vein transection involving myocardial sleeveCentral Message - Takeshi Mimura, MD, PhD; Masaya Otabe, MD; Atsushi Kagimoto, MD, PhD; Kazuya Kuraoka, MD, PhD; Katsuhiko Imai, MD, PhD; Michiyoshi Sanuki, MD, PhD (JTCVS Techniques)