Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased prominence of the bilateral lower lobe interstitium . No lobar consolidation is identified . There is no pleural effusion or large pneumothorax . The heart appears mildly enlarged , though this may be projectional in nature . The mediastinum is unremarkable .
    OUTPUT:
    
Increased interstitial prominence within the bilateral lower lobes may reflect an atypical infectious etiology in the appropriate clinical setting . No lobar consolidation .