The thymus lies in the upper chest under the breastbone and it is part of the lymph system.
There are different types of tumors of the thymus:<unk>  and thymic carcinomas.<unk>  usually is benign, and frequently encapsulated.<unk>  does not have any early symptoms. With the development of the tumor, frequent symptoms include trouble breathing, cough or chest pain, etc.
Treatments include surgery, radiation, chemotherapy or hormone therapy.
Thymoma
Thyroid nodule
Lymphoma
Thyroid adenoma
Thyroid cancer
Thymic carcinoma
Lung abscess
Goitre