Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Symmetric hilar enlargement and widened or bulging mediastinal contours indicate adenopathy in both paratracheal , the subcarinal and paraesophageal stations , and both hila . There is a suggestion of mild interstitial abnormality consisting of tiny nodules and thickening of lymphatics in the mid and lower lungs as well as at least one sub cm nodule projecting over the left ___ anterior rib . Heart is normal size . There is no evidence of pericardial or pleural effusion .
    OUTPUT:
    
Symmetric adenopathy in the mediastinum and hila , numerous small pulmonary opacities , and probable lymphatic infiltration , best explained by sarcoidosis . At least one discrete subcentimeter pulmonary nodule , also most likely due to sarcoidosis . Comparison to any prior chest radiographs is recommended to establish chronicity of these findings .