Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The study is somewhat limited due to reduced lung volumes and soft tissue attenuation . Cardiac , mediastinal and hilar contours are within normal limits . Streaky opacities within the lung bases likely reflect atelectasis , and no focal consolidation is demonstrated . A 14 mm nodule in the right upper lobe is unchanged , and similar to that seen on the CT chest from ___ . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Somewhat limited assessment of the lung bases due to low lung volumes and soft tissue attenuation . Probable bibasilar atelectasis .