Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , effusion , or edema . There is somewhat oblong 8 mm nodular density projecting over the left mid lung between the anterior second and third ribs . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . A rounded 8 mm nodular opacity projecting over the left mid lung . This could be due to overlapping shadows although underlying pulmonary nodule is possible . Nonurgent repeat frontal view with shallow obliques for further assessment and if it persists , CT will be necessary .