Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One AP frontal view of the chest and lateral view of the chest . There is a large posterior left fifth rib lesion that is similar compared to CT chest on ___ , representing metastatic lesion . There are no new bone lesions . There are degenerative changes of the thoracic spine . There are low lung volumes which crowd the pulmonary vasculature . Bilateral linear areas of atelectasis with no evidence of confluent consolidation . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Bibasilar linear atelectasis . 2 . Left fifth posterior rib bone lesion , similar compared to CT chest on ___ .