Patent STA-MCA bypass. Intraoperative photo of STA-MCA bypass. Solid arrow denotes anastomosis and dotted arrow denotes STA. A : anterior, P : posterior, I : inferior, S : superior (upper). ICG videoangiography demonstrates patency. Arrow denotes anastomosis. STA : superficial temporal artery, MCA : middle cerebral artery, ICG : indocyanine green (lower).