School ager with cough and fever Pediatric Imaging Chest July 25, 2024June 26, 2024 CXR PA (left) shows an opacity medially in the right lower chest which the lateral (right) shows to be located posteriorly resulting in a spine sign. The diagnosis was streptococcus pneumonia in the posterior right lower lobe. Related Published July 25, 2024June 26, 2024