Case presentation A 40-year-old woman arrived at the emergency department five days after delivering her first child via cesarean section, complaining of right-sided chest discomfort, shortness of breath, and palpitations for the past hour. She recalled experiencing similar symptoms during her earlier spontaneous pneumothorax episodes.

Medical history Asthma Seven prior spontaneous pneumothoraces coinciding with menstruation, previously managed with right thoracotomy and pleurodesis (2015) and decortication (2016) Myomectomy (2021), laparoscopic ovarian cyst removal, and a negative pelvic endometriosis workup (2021) Conceived via IVF Initial examination Vitals: Stable Respiratory findings: Adequate air entry, but diminished breath sounds in the right lower lobe; not prominent on the right flank or anterior chest Initial chest X-ray – Right lower lung pneumothorax ECG – Normal Serial…