Discussion :
Invasive [Malignant] Thymoma
-Malignancy defined according to extent of invasion into adjacent mediastinal fat + fascia!
Frequency:in 30-35% of thymomas

History :
The 60-year-old male was suffered from exertional dyspnea for 1 month.

History :
This 83-year-old gentleman was suffered from dysphagia for 2wks and fever for 3 days

History :
This 68-year-old gentalman suffered from cough without sputum for 4 years.

History :
This 67 years old gentleman

History :
This 88 y/o gentleman suffered from hemoptysis about 3 months ago.

Discussion :
METASTASIS TO LUNG

History :
This 48 y/o gentleman, a heavy smoker consuming 1PPD of cigarettes for 30years, had been well until two month ago when dry cough was noted. Facial swelling were noted since 1 month ago.

Discussion :
Intrathoracic Goiter
=extension of cervical thyroid tissue / ectopic thyroid tissue (rare) into mediastinum

History :
A 71-year-old male developed cough, dyspnea and chest tightness in recent months.