Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is a widespread upper lung predominant interstitial abnormality throughout both lungs that is chronic in appearance , thought to be attributable to sarcoidosis . A 7 - mm nodular opacity in the left mid - to - upper lung is not significantly changed compared to the prior radiograph from ___ . There is no focal consolidation . Calcified mediastinal / hilar lymphadenopathy is similar in appearance . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . No significant interval change in chronic widespread interstitial abnormality or previously identified 7 - mm left upper lung rounded opacity . 2 . No acute cardiac or pulmonary process .