Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . A peripheral wedge - shaped opacity in the right upper lobe is new from ___ . No other opacity is seen . There is no pleural effusion or pneumothorax . Heart size is normal . Mediastinal silhouette and hilar contours are normal . No displaced rib fracture is identified .
    OUTPUT:
    
Right upper lobe peripheral wedge - shaped opacity may represent pneumonia , but raises the possibility of pulmonary infarction . If clinically indicated , CTA could be performed for further evaluation . Findings were entered into the ED dashboard at 4 :05 a .m . , ___ upon study interpretation .