Newborn with an echogenic right chest mass on prenatal ultrasound Pediatric Imaging Chest June 13, 2023June 7, 2023 CXR AP and lateral (above) show a round heterogenous mass in the right upper lobe. Axial CT without contrast of the chest (below) shows a dominant central cyst in the lung surrounded by many smaller cysts. The diagnosis was congenital pulmonary airway malformation type I. Related Published June 13, 2023June 7, 2023