“…Generally, a simple thoracic wall defect is not sufficient to cause pulmonary herniation, and most patients have other exacerbating factors like a sudden increase in intrathoracic pressure, unhealed hernias, etc. Other high-risk factors include diabetes, obesity, smoking, chronic obstructive pulmonary disease (COPD), and long-term steroid use [ 7 , 8 ]. According to the classical Morel Lavelle method, pulmonary hernias can either be congenital (18 %) or acquired (82 %) [ 9 ].…”