Superficial to the gland is the sternum. Lying deep to the thymus are the great vessels and the cranial part of the pericardium. The two lobes of the gland differ in size, and in many individuals the right lobe overlaps the left lobe. The thymus is about 5 cm long, 4 cm wide, and 6 mm thick.
Signs and Symptoms of Emphysema Symptoms of emphysema vary from mild to severe and include shortness of breath (dyspnea), cough, and difficulty breathing upon exertion (e.g., exercise). Emphysema is a chronic (long lasting), progressive condition, which means the symptoms usually worsen over time.
Emphysema is defined as a medical condition where there is air in body tissues or where the air sacs in the lungs are damaged in a way that causes shortness of breath. A medical condition caused by years of smoking that damages the air sacs in your lungs and makes breathing hard is an example of emphysema. emphysema. emphysema.