Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is persistent left lower lobe consolidation with improved aeration compared to the prior chest CT . The right lung is clear . No pleural effusions . Mild cardiomegaly and volume loss with shift of mediastinum to the left . Diffuse mild demineralization with severe right glenohumeral arthropathy . Right sided central venous catheter tip terminates in the distal SVC .
    OUTPUT:
    
1 . Improving left lower lobe consolidation with no new areas of consolidation or atelectasis . 2 . Unchanged mild volume loss which shift of the mediastinum to the left .