MKI67 and neoplasm: Multivariate logistic regression analysis revealed that tumor size > 20 mm (p = 0.004), tumor non-hypervascularity (p = 0.001), and EUS-FNA Ki-67 LI ≥ 5% (p = 0.034) were independently associated with the aggressiveness of NF-PanNENs (Table 4).