Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal lateral views of the chest . Diffusely increased reticular markings seen within the lungs suggestive of chronic underlying parenchymal disease . There is no evidence of superimposed consolidation nor effusion . The cardiomediastinal silhouette is within normal limits . Degenerative changes noted at the right acromioclavicular joint and possible old lateral left clavicular fracture .
    OUTPUT:
    
No acute cardiopulmonary process .