Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left mid lung nodular opacity is noted . It is seen on both frontal views but not clearly delineated on the lateral view . Lungs are otherwise clear without effusion , or pneumothorax . The cardiomediastinal silhouette is normal . No acute osseous abnormalities identified .
    OUTPUT:
    
Rounded nodular opacity projecting over the left mid lung . If patient has symptoms compatible with pneumonia this could be treated and followed up after treatment . If no such symptoms , nonurgent CT scan should be performed for further evaluation .