Example of chest radiograph discordant for the diagnosis of pneumonia between a paediatric pulmonologist and WHO radiological criteria when applied in the clinical context.Note: Chest radiograph of left upper lobe pneumonia diagnosed by a paediatric pulmonologist in a 12 month old child hospitalised for pneumonia. Clinical signs of tachypnoea, chest-indrawing and crackles on admission. This film was classified as negative according to WHO radiological criteria.