Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right Port - A - Cath terminates in the right atrium . There is increasing bibasilar atelectasis . Multiple patchy opacities overlying the left thorax likely correspond to sclerotic ribs . Diffuse sclerotic and lytic bone lesions are again noted , consistent with known osseous metastatic disease . There are small bilateral pleural effusions , unchanged . Compression deformities in the mid thoracic vertebral bodies is noted .
    OUTPUT:
    
Worsened bibasilar atelectasis . Pneumonia can not be excluded .