Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There bilateral parenchymal opacities , more confluent at the left lung base posterolaterally but also seen at the right perihilar region and right lung base . Superiorly , the lungs are clear . Cardiac silhouette is not particularly well assessed . Lucent lesion with erosion of the inferior left glenoid and scapular body was previously characterized by PET - CT as metastatic lesion .
    OUTPUT:
    
New bilateral parenchymal opacities , more extensive on the left than on the right . Clinical correlation will be necessary . Infection is possible in the proper clinical setting . Underlying malignancy is not excluded . If appropriate , treatment for infection is suggested with follow - up imaging to document resolution . If symptoms are less compatible with infection , additional imaging could be performed at this time for further assessment .