Research Article

Diagnostic Accuracy of Mucosal Biopsy versus Endoscopic Mucosal Resection in Barrett’s Esophagus and Related Superficial Lesions

Table 2

Macroscopic classification of type 0 lesions.

Protruding
 Pedunculated0-Ip
 Sessile0-Is
Nonprotruding and nonexcavated
 Slightly elevated0-IIa
 Completely flat0-IIb
 Slightly depressed0-IIc
 Elevated and depressed types0-IIc + IIa or 0-IIa + IIc
Excavated
 Ulcer0-III
 Excavated and depressed types0-IIc + III or 0-III + IIc