Table 2.

Prognostic features of malignant polyps

Features consistent with low risk of lymph node metastases (Low risk/favorable features)[26]	Features consistent with high risk of lymph node metastases (Poor prognostic features)[26]
Margins with no dysplasia or malignancy	Poorly differentiated
Well or moderately differentiated	Mucin/mucinous
No angiolymphatic invasion	Signet ring or cribriform histology
Superficial invasion into submucosa (≤ 2 mm)	Tumor budding
	Lymphovascular invasion
	Deeper invasion into submucosa (> 2 mm)