Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours remarkable . No pleural effusion or pneumothorax is seen . No definite focal consolidation is seen on the frontal view , although on the lateral view , there is a somewhat rounded opacity projecting over the lower lobe posteriorly , overlying the anterior aspect of 2 lower thoracic vertebral bodies . While findings could relate to osseous degenerative change , underlying pulmonary lesion not excluded . Recommend follow - up chest CT for further assessment .
    OUTPUT:
    
No definite focal consolidation is seen on the frontal view , although on the lateral view , there is a somewhat rounded opacity projecting over a lower lobe posteriorly , overlying the anterior aspect of 2 lower thoracic vertebral bodies . While findings could relate to osseous degenerative change , underlying pulmonary lesion not excluded . Recommend follow - up chest CT for further assessment .