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What is In Forrest classification visible clot at ulcer base is and explain in detail?
FORREST - Classification of upper gastrointestinal hemorrhage
Acute hemorrhage
Forrest IA - Active spurting hemorrhage
Forrest IB - Oozing hemorrhage
Signs of recent hemorrhage
Forrest IIA - Non-bleeding visible vessel
Forrest IIB - Adherent clot
Forrest IIC - Hematin on ulcer base
Lesions without active bleeding
Forrest III - Clean-base ulcers.