What is the difference between congenital pulmonary cyst and acquired cyst?

Disease of abnormal space containing gas and liquid in lung tissue? Is this disease congenital or acquired? Congenital, cyst has both liquid and gas, that is, liquid and gas are mixed together? Acquired cyst only has qi?

Congenital pulmonary cyst, just full of fluid, without any symptoms, is mostly found by accident in X-rays? Congenital cyst is filled with liquid and gas, which can cause bacterial infection and fever because of its connection with trachea? Cough? Expectoration, sometimes mistaken for pulmonary suppuration? This is just an acquired cyst filled with gas. When the connected bronchus is inflamed, it becomes narrow and the cyst expands rapidly, which can not only compress the surrounding lung, but also the heart and another lung, causing dyspnea? Violette. The heartbeat is weakened, and you can die in a short time if you ignore it?

Acquired cyst is small and has no symptoms? After several years or more, it gradually increases, which can cause respiratory insufficiency and difficulty breathing during activities. Cyanosis? Heartbeat, etc. , eventually died of pulmonary insufficiency?

Small cysts can also rupture naturally for no reason, causing air to enter the pleura and compress the lungs (spontaneous pneumothorax), which can lead to dyspnea or even death in severe cases?