Skip to main content

Table 2 MACIS scoring and staging

From: Indolent thyroid cancer: knowns and unknowns

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