Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left upper lobe consolidation compatible with underlying mass as seen on recent PET - CT . There is elevation the left hemidiaphragm which was also seen on prior PET , with probable adjacent atelectasis . Lungs are otherwise clear of consolidation or large effusion . Cardiac silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Left upper lobe mass as seen on recent PET - CT . No definite superimposed acute cardiopulmonary process .