The Paris classification is a morphological classification system of superficial mucosal lesions. It can be used for endoscopic polyp evaluation.

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Participants in the Paris Workshop. (2003). The Paris endoscopic classification of superficial neoplastic lesions: esophagus, stomach, and colon. Gastrointestinal Endoscopy, 58(6), S3–S43. doi:10.1016/s0016-5107(03)02159-x