Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Extensive reticular interstitial opacities , predominantly in the lung apices , are unchanged and are consistent with fibrotic changes from sarcoidosis . Minor fissure remains elevated . No pleural effusion , pneumothorax or focal airspace consolidation . There is persistent elevation of the left hemidiaphragm . Hilar and mediastinal lymphadenopathy is unchanged . Heart is top normal in size . There is no evidence for pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process .