“…10 COVID-19 infection has already shown lung parenchymal changes that progressed to large bullae.4,6 The rupture of blebs and bullae, as well as a rise in intrathoracic pressure resulting from prolonged coughing, cause spontaneous pneumothorax in the majority of patients. 2,4,6 The pathophysiology of cystic changes and bullae formation in COVID-19 is still unknown. Further studies are needed to evaluate the long-term pulmonary consequences of COVID-19 pneumonia and the Diagnostic work up can include physical examination, chest X-ray, and/or Ct Scan thoraks.10 However, because we hadn't done CT scan thoraks for this patient, we didn't find any bullae.…”