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Classification of serrated colorectal lesions (5th edition). Text in italics identifies novel categories.
| Serrated Colorectal Lesions Classification (2019 WHO 5th Edition) | |
|---|---|
| Histological type | Histological subtype |
| Hyperplastic polyp (HP) |
|
| Sessile serrated lesion (SSL) |
|
| Traditional serrated adenoma (TSA) | |
| Serrated adenoma, unclassified | |
