Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are markedly low , causing crowding of bronchovascular structures . The right heart border is difficult to discern , with possibility of a focal consolidation on the lateral view . The left lung appears grossly clear . No large pleural effusions or pneumothorax identified .
    OUTPUT:
    
1 . Low lung volumes . 2 . The right heart border is difficult to discern , with a possible focal consolidation on the lateral view . If clinical concern persists , then consider CT chest for further evaluation .