Timing after esophagus perforation

Q) A 40-year-old man presents 4 days after severe vomiting with chest pain, fever, and breathlessness. On examination, his pulse is 110/min and blood pressure is 110/80 mmHg. Chest X-ray and CT scan show a left-sided pleural effusion with mediastinal air, suggestive of an esophageal perforation diagnosed approximately 96 hours after onset. What is the best management option?