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 0 | Superficial protruding or nonprotruding lesions |
| Advanced type 1 | Protruding carcinoma, attached on a wide base |
| Advanced type 2 | Ulcerated carcinoma with sharp and raised margins |
| Advanced type 3 | Ulcerated carcinoma without definite limits |
| Advanced type 4 | Nonulcerated, diffusely infiltrating carcinoma |
| Advanced type 5 | Unclassifiable advanced carcinoma |
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