Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right upper lobe opacities are combination of the patient 's known mass as well as radiation changes . A fiducial seed is in place . Overall , there is a similar appearance when given differences in modalities to ___ PET - CT . Emphysema is noted . Otherwise , the lungs are clear from infectious process . The left hemidiaphragm is elevated . There is no pleural effusion , pneumothorax or edema . Heart size is normal . No evidence of radiopaque foreign body . Medullary infarction of the left humeral head is chronic .
    OUTPUT:
    
No evidence of radiopaque foreign body or acute process . Radiation - related changes of the mass in the right upper lobe .