Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Degenerative changes are noted at the right acromioclavicular joint . Cardiomegaly is mild , unchanged . There is no focal consolidation or effusion . Increased interstitial markings are seen a lungs but are chronic and had been seen on prior chest CT and are compatible with patient 's underlying history of sarcoidosis . No acute osseous abnormality .
    OUTPUT:
    
No acute cardiopulmonary process .