Table 5.
Characteristic | Grade A | Grade B | Grade C |
---|---|---|---|
Time of onset | Early | Early/late | Late |
Site | Intraluminal or extraluminal | Intraluminal or extraluminal | Intraluminal or extraluminal |
Clinical impact | Mild | Severe early/mild late | Severe |
Therapeutic consequences | No | Yes | Yes |