| Interventions |
DRUG: 5-ASA (5-Aminosalicylate)|PROCEDURE: Colon Endoscopy Procedure|DIAGNOSTIC_TEST: Blood Routine Test at 4-week|DIAGNOSTIC_TEST: Blood Routine Test at 8-week|DIAGNOSTIC_TEST: Blood Routine Test at 12-week|DIAGNOSTIC_TEST: Stool Routine Test at 4-week|DIAGNOSTIC_TEST: Stool Routine Test at 8-week|DIAGNOSTIC_TEST: Stool Routine Test at 12-week|DIAGNOSTIC_TEST: Erythrocyte Sedimentation Rate Test at 4-week|DIAGNOSTIC_TEST: Erythrocyte Sedimentation Rate Test at 8-week|DIAGNOSTIC_TEST: Erythrocyte Sedimentation Rate Test at 12-week|DIAGNOSTIC_TEST: C-reactive Protein Test at 4-week|DIAGNOSTIC_TEST: C-reactive Protein Test at 8-week|DIAGNOSTIC_TEST: C-reactive Protein Test at 12-week|DIAGNOSTIC_TEST: Liver Function Test at 4-week|DIAGNOSTIC_TEST: Liver Function Test at 8-week|DIAGNOSTIC_TEST: Liver Function Test at 12-week|DIAGNOSTIC_TEST: Kidney Function Test at 4-week|DIAGNOSTIC_TEST: Kidney Function Test at 8-week|DIAGNOSTIC_TEST: Kidney Function Test at 12-week |