Mr. Wang has been a keen exerciser, in recent years often feel short of breath after exercise, chest tightness, see a few hospitals, are suspected of heart problems, do a number of tests did not find a problem. Last month the unit to do physical examination, ultrasound found that Mr. Wang thyroid gland has a mass, so came to Wuhan Sixth Hospital, Nail Surgery to find Li Rong, director of consulting. “The ultrasound report suggests that your thyroid mass is 7cm, but your neck thickening is not obvious, it is likely to be a retrosternal goiter.” Director Li said after careful examination. Further CT examination confirmed Director Li’s suspicion, and general thyroid goiter is different, Mr. Wang’s goiter is not to the neck, another way down towards the chest cavity, so not in the neck revealed. Because of the limited volume of the bony thoracic cavity, the “squeezed” into the goiter can only occupy the space of the surrounding organs, so that the neighboring trachea is the first to suffer. Mr. Wang’s trachea was transformed from a semi-circumferential shape to a flat “sheath-like trachea” due to the long-term pressure, which caused Mr. Wang to develop the symptoms at the beginning of the article. After successful surgery, Mr. Wang returned to the sports field. Director Li Rong introduced that thyroid tumors are generally easy to be detected because they are located in the neck, while retrosternal goiter is not easy to be detected because it is located in the back of the sternum or mediastinum, which brings certain difficulties in diagnosis and treatment. Because of the narrowing of the retrosternal space, retrosternal goiter is easy to cause a series of symptoms due to the compression of the mass on the surrounding organs, such as compression of the trachea causing respiratory difficulties, wheezing; compression of the superior vena cava causing the superficial veins of the upper chest and neck to become enlarged, and edema of the upper limbs; compression of the esophagus causing swallowing difficulties, etc. In some severe cases, patients may even have difficulties in swallowing due to the compression of the esophagus. Individual serious patients may even cause acute dyspnea due to spontaneous or traumatic bleeding caused by the mass embedded in the thoracic inlet. Because the mass of long-term serious compression of the trachea may also lead to tracheal tenderness or even make the patient feel suffocated, therefore, once the diagnosis of retrosternal goiter and compression symptoms, the need for surgical removal of the enlarged lesion of the thyroid gland.