Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There relatively low lung volumes and mild basilar atelectasis . No definite focal consolidation is seen . There is no large pleural effusion . No evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . The lateral view is somewhat suboptimal due the patient 's overlying arms and due to low lung volumes . Degenerative changes at the bilateral glenohumeral joints are noted .
    OUTPUT:
    
Low lung volumes and a mild basilar atelectasis without definite focal consolidation .