Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest show no focal airspace consolidation . The lung volumes are low in comparison to the prior exam . There is increased interstitial prominence , which is likely due to low lung volumes . There is no definite pulmonary edema , pleural effusion or pneumothorax . The cardiac size is mildly enlarged , unchanged from the prior exam . The mediastinal contours are stable . There is a sclerotic lesion in the right humerus . The remainder of the bones are markedly dense and irregular , which is consistent with the patient 's history of known metastatic prostate cancer . Degenerative changes are noted in the right glenohumeral joint . No fracture is identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable mild cardiomegaly . 3 . Diffuse osseous metastases .