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.
Symptoms of a pulmonary embolism depend on the size of the clot and where it lodges in the lung. The most common symptom of a pulmonary embolism is shortness of breath. This may be gradual or sudden. Other symptoms of a pulmonary embolism include: anxiety; clammy or bluish skin; chest pain that may extend into your arm, jaw, neck, and shoulder; fainting