Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . No prior . Increased interstitial markings are seen in the lungs bilaterally . More focal opacities seen at the right lung base . Cardiac silhouette is enlarged . Degenerative , potentially post - traumatic changes seen at the proximal right humerus which are incompletely visualized .
    OUTPUT:
    
Indistinct pulmonary vascular markings seen bilaterally potentially due to pulmonary vascular congestion versus chronic lung disease . Probable right basilar atelectasis , when amenable 2 view with better inspiratory effort can be performed .