<qa>  What is the Thrombolysis in Cerebral Infarction?4. Thrombolysis in Cerebral Infarction TICI 0 or TICI 1 flow in the proximal anterior intracranial vasculature M1 or M2 of Middle Cerebral Artery MCA, Internal Carotid Artery ICA intracranial, Internal Carotid Artery ICA terminal 