The overall grade of the surgical complication defined by the Clavien-Dindo Classification of Surgical Classifications during an Upper Gastrointestinal Cancer Care Spell.
National Codes:
| 1 | Grade I | 
| 2 | Grade II | 
| 3 | Grade IIIa | 
| 4 | Grade IIIb | 
| 5 | Grade IVa | 
| 6 | Grade IVb | 
| 7 | Grade V |