Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , lung volumes remain low with bronchovascular crowding . New bilateral lower lung interstitial abnormality is equivocal and of indeterminate chronicity . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
1 . Bilateral lower lung interstitial abnormality is of indeterminate chronicity , but new since ___ . If the patient has clinical evidence pointing to a specific pulmonary problem , consider chest CT for further evaluation . 2 . No focal consolidation concerning for pneumonia .