To understand the biapical bullous disease, you need to know about Emphysema which is a condition in which there is a increase in the size of airspace at the end of breathing passage. The lung bullous disease is the presence of bullae resulting from the destruction of the walls of air passage. This condition result in the reduction in the lings ability to perform. The symptoms are cyanosis, finger clubbing and pulmonary edema. The prognosis is poor. Once damage done so done. Only symptomatic treatments available. Occasionally surgery helpful.