Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left perihilar enlargement reflecting left hilar and mediastinal lymphadenopathy appears somewhat more prominent even allowing for differences in technique . There are a number of small - to - medium - sized pulmonary nodules , mostly projecting over the left upper lobe , as seen previously , probably increased . In addition , however , projecting over the right mid lung , there is a potential nodule of substantial size which has no clear correlate on the prior PET - CT . There is no pleural effusion or pneumothorax . The bones appear demineralized .
    OUTPUT:
    
Suspected increase in metastatic disease . Correlation with planned CT is suggested .