I often experience tired limbs and drooping eyelids in the evening, but I'm fine in the morning. Could this be a sign of thymoma? (Minh Lam, Tay Ninh)

Huy, 38, suffered from a cough and shortness of breath for over half a month. Doctors diagnosed him with a thymoma accompanied by myasthenia gravis, which was treated with robot-assisted surgery for both conditions in one procedure.