Task: Answer Verification
Input (English): Question: Do physician global assessments or blood tests predict mucosal healing in ulcerative colitis?
Answer: Neither blood tests nor PGA could replace endoscopy for assessing mucosal healing. When patients experienced active symptoms and abnormal serum markers, they were highly likely to have abnormal endoscopy. However, inactive symptoms or normal laboratory values did not preclude having active endoscopic disease.
Output (English): no