Beware the ‘raised right hemidiaphragm’ in a female patient with previous pneumothorax surgery: liver herniation through a massive endometrosis-related diaphragmatic fenestration

Persistent pain and a raised hemi-diaphragm after surgery are often assumed to be iatrogenic and treated empirically. We report a case of massive diaphragmatic fenestration with visceral herniation in a patient with previous surgery for catamenial pneumothorax, mimicking these post-operative sequelae