Ectopic Thymoma in the Thorax With Associated Myasthenia Gravis.

A 52-year-old man presented with a one-year history of episodic unilateral facial numbness, jaw weakness, ptosis, and hoarseness. Brain imaging was unremarkable and an 11.5cm right lower thoracic mass was discovered on chest x-ray, which was further evaluated by CT and MRI radiology.