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A rare cause of intrathoracic mass

A 47-year-old woman presented complaining of cough and dyspnoea. Corrective surgery for scimitar syndrome had been performed 4 years earlier, with relocation of the draining scimitar vein to the left atrium via right thoracotomy. A computed tomography scan of the chest revealed right middle lobe pneumonia and a cephalad malposition of the right kidney in a diaphragmatic hernia, giving an intrathoracic appearance. The patient had normal renal function according to biochemistry results. Malpositioning of the kidneys and renal ectopia are rare causes of intrathoracic mass and should be considered in the differential diagnosis.