Newborn delivered via caesarean section with respiratory distress Pediatric Imaging Chest December 15, 2025December 15, 2025 Initial CXR AP (above) shows normal lung expansion and fine interstitial infiltrates bilaterally. No pleural effusion is seen. CXR AP taken 1 day later (below) shows interval complete resolution of the previously seen fine interstitial infiltrates. The diagnosis was transient tachypnea of the newborn. Related Published December 15, 2025December 15, 2025