As in all organs, a group of diseases occur in the lung due to some congenital reasons. These diseases are usually caused by some wrong occurrences during infant development in the prenatal “maternal period”. These types of situations are generally not life-threatening. However, it may cause discomfort sometimes in infancy and sometimes in adulthood. In these cases, surgical treatment may be required. This type of disease has no specific symptoms. However, in general, during the investigation of a lung disease, it can be revealed by advanced examinations performed by experts in the subject.