Essay • Discuss the etiology and pathophysiology of acute pancreatitis.• Describe the clinical features and investigations of acute pancreatitis • Explain the management of acute pancreatitis. Short notes 1)Causes, clinical features and management of hyperparathyroidism. 2)Medullary carcinoma-Clinical features, diagnosis, management 3)Gastrinoma 4)Triple assessment in breast disease 5) Pheochromocytoma 6)Complications of thyroidectomy.