An epithelial neoplasm that affects the thymus gland. This category includes thymomas and carcinomas. The disease is MONDO_0018079 (thymic epithelial neoplasm). Also known as: TEN, Thymus epithelial neoplasm, Thymus epithelial tumor, Thymus epithelial tumour, epithelial neoplasm of Thymus, epithelial neoplasm of the Thymus, epithelial tumor of Thymus, epithelial tumor of the Thymus.