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.
COPD symptoms What does COPD feel like? Chronic obstructive pulmonary disease (COPD) can include chronic bronchitis and emphysema, 2 conditions that cause different symptoms. Because COPD is usually a progressive disease, more of your airways can become narrowed or blocked over time. Quitting smoking is the only thing that can slow the progression of COPD. Some symptoms of COPD may include: Shortness of breath. Wheezing. Chronic cough and mucus. A feeling of tightness in the chest.