A 43-year-old female presented with chest tightness and a worsening cough for the past 10 days. She had a history of severe allergy-induced asthma and chronic nasal drip. Upon admission, she was treated with antibiotics and steroids. She further developed sudden-onset pleuritic chest pain, breathlessness, and a sharp pain that radiated between both shoulder blades. A physical examination at the time of admission showed that her vital signs were normal and she was afebrile.
Laboratory investigations were insignificant. A chest X-ray revealed an abnormal right cardiomediastinal silhouette. A very large opacity was observed over the right mediastinum adjacent to the right atrial border. A CT scan image has been provided. A normal ejection fraction (55–59%), a cyst near the right atrium, and no wall motion abnormalities were observed in the echocardiogram.Video-assisted thoracoscopic…
