Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac mediastinal silhouettes within normal limits . Asymmetric breast shadows . On the lateral view , there is slight blunting of the posterior costophrenic angle , which may be atelectasis or trace pleural effusion . However , there is not a gross consolidative process . Slightly heterogeneous appearance of osseous structures may relate to the stated history of multiple myeloma .
    OUTPUT:
    
No gross consolidation . However , there is some posterior costophrenic blunting which may represent atelectasis . The possibility of an infectious process can not be excluded .