School ager with congenital heart disease Pediatric Imaging Genitourinary January 27, 2021January 15, 2021 CXR PA and lateral (above) shows a soft tissue mass in the posterior costophrenic sulcus. Axial CT with contrast of the chest shows the right kidney in the right hemithorax. The diagnosis was intrathoracic kidney. Related Published January 27, 2021January 15, 2021