MACIS Score components | |
---|---|
Metastases | 3 if distant spread |
Age | 3.1 (if age <40 years) or 0.08 × age (if age ≥ 40 year) |
Completeness of Resection | 1 if incompletely resected, 0 otherwise |
Invasion (local) | 1 if locally invasive, 0 otherwise |
Size | 0.3 × tumor size (cm maximum diameter) |
MACIS stage | MACIS score threshold |
 Stage 1 | <6 |
 Stage 2 | 6–6.99 |
 Stage 3 | 7–7.99 |
 Stage 4 | ≥8 |