Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . Evidence of volume loss in the right lung from prior right lower lobectomy and right middle lobe segmentectomy are re - demonstrated with slight rightward shift of mediastinal structures and elevation the right hemidiaphragm . A small right pleural effusion may be slightly increased compared to the previous exam . There is no pulmonary vascular congestion . Streaky opacities are noted within the right upper lobe and left lung base , which appear to have slightly increased compared to the previous exam . No pneumothorax is identified . There are no acute osseous abnormalities . The bones are diffusely demineralized .
    OUTPUT:
    
Slight interval increase in small right pleural effusion . Patchy opacities in the right upper lobe and left lung base may reflect areas of developing infection .