Lymphoma: Cancer involving lymph nodes and the immune system.
Mediastinitis: Inflammation of the area between the lungs called the mediastinum which contains the heart, thymus gland, windpipe, esophagus and large blood vessels. The condition may occur suddenly (acute) or slowly over a period of time (chronic). It is often a complication of open chest surgery or penetrating chest wounds.
Meningocele: A condition which is characterized by a protrusion of the meninges of the brain or spinal cord through a defect in the spinal cord
T-cell acute lymphoblastic leukemia: Cancer of particular white blood cells called T-cells. Precursors to white blood cells are called blasts and are made by the bone marrow but in ALL the blasts are abnormal and do not develop into lymphocytes. Instead, the abnormal blasts or leukemic cells multiply rapidly and reduce the level of other types of blood cells such as red blood cells and platelets.
Teratoma: A neoplasm made up of different types of tissue
Thymoma: A condition which is characterized by s tumour derived from the epithelial cells of the thymus