Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Low inspiratory effort seen on the current exam . The lungs , however , are clear of consolidation or effusion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . Degenerative changes are noted in the spine . Compression deformity of T12 is similar to previous CT abdomen and pelvis from ___ .
    OUTPUT:
    
No definite acute cardiopulmonary process .