Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Superimposed on this patient 's interstitial lung disease diagnosed on CT ( dated ___ ) , are increased vascular markings . Cardiomediastinal silhouette otherwise unchanged . Equivocal pleural effusions may be seen bilaterally .
    OUTPUT:
    
Increased vascular markings , likely representing elevated pulmonary venous pressure , are superimposed on this patient 's interstitial lung disease diagnosed on CT ( dated ___ ) .