Research Article

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

Table 1

Macroscopic classification of digestive tract neoplasms.

Superficial type 0Superficial protruding or nonprotruding lesions

Advanced type 1Protruding carcinoma, attached on a wide base

Advanced type 2Ulcerated carcinoma with sharp and raised margins

Advanced type 3Ulcerated carcinoma without definite limits

Advanced type 4Nonulcerated, diffusely infiltrating carcinoma

Advanced type 5Unclassifiable advanced carcinoma