Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is significant elevation of the left hemidiaphragm . There is no prior to evaluate for acuity of this finding . The lungs however are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No definite acute cardiopulmonary process , no focal consolidation . Elevation of the left hemidiaphragm , the chronicity of which is uncertain .