text: 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.
option_0: TIMI thrombus grade 2
option_1: TIMI thrombus grade 0
option_2: TIMI thrombus grade 5
option_3: TIMI thrombus grade 6
option_4: TIMI thrombus grade 3
option_5: TIMI thrombus grade 4
option_6: TIMI thrombus grade 1
option_7: TIMI flow grade 0