A rare case of hepatic metastasis 20 years after surgical resection of a thymoma: A case report.

Introduction: Thymoma is the most common solid, primary mediastinal tumour, accounting for 20% of mediastinal neoplasms. Malignant thymus tumours (thymomas and thymic carcinomas) metastasize primarily locally. Distant metastases, especially to liver are very rare.