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 a chronic (long-term) lung disease, usually caused by smoking. Emphysema is the main form of chronic obstructive pulmonary disease (COPD).Diagnosing emphysema usually requires pulmonary function tests, combined with a history of symptoms, such as shortness of breath.iagnosing emphysema can't be done with an X-ray alone. Computed tomography (CT scan) of the chest: A CT scan in someone with emphysema may show small pockets of air throughout the lung.