Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exams from ___ . Despite improved inspiratory effort on the current exam , there is evidence of increased interstitial markings throughout , with more confluent opacity at the right lung base and on the left laterally . Dense mitral annular calcifications are seen . Cardiomediastinal silhouette is otherwise unremarkable . Right subclavian central line is seen with tip at the RA - SVC junction . Degenerative changes are seen at the shoulders bilaterally .
    OUTPUT:
    
Increased interstitial markings are seen bilaterally , raising possibility of pulmonary vascular congestion . Superimposed bibasilar opacities , potentially due to atelectasis ; however , developing consolidation from infection is also possible . Clinical correlation suggested .