In TIMI Grade<unk>  thrombus, small size thrombus is present, which in its greatest dimension is less than or equal to 1/2 a vessel diameter.
TIMI thrombus grade 2
TIMI thrombus grade 0
TIMI thrombus grade 5
TIMI thrombus grade 6
TIMI thrombus grade 3
TIMI thrombus grade 4
TIMI thrombus grade 1
TIMI flow grade 0