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....: Air embolism is very serious and is often life-threatening. Symptoms can include sudden onset of shortness of breath, chest pain, hallucinations, passing out, low oxygen levels, cardiac arrhythmias, etc. There also needs to be a way for air to enter the bloodstream, travel to the heart/lungs and obstruct.