Endoscopic management of difficult laterally spreading tumors in colorectum

Table 4 Spanish Score for risk of bleeding after endoscopic mucosal resection

	Age ≥ 75-yr-old	Lesion ≥ 40 mm	ASA III-IV	Location proximal to transverse colon	Aspirin	Clips
Yes	1	1	1	3	2	0
No	0	0	0	0	0	2
Risk of bleeding after EMR
Low risk 0.6% (0.2%-1.8%)	0-3 points
Medium risk 5.5% (3.8%-7.9%)	4-7 points
Elevated risk 40% (21.8%-61.1%)	8-10 points

ASA: American Society of Anesthesiologists classification of physical health; EMR: Endoscopic mucosal resection.