Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed . Compared to the most recent chest radiograph of ___ , interstitial abnormality has increased especially in the left lung which could be due to increased pulmonary fibrosis ; however , interval increase in severe cardiomegaly may indicate a component of pulmonary edema due to heart failure . There is no pleural effusion or pneumothorax . Mediastinal contours are unchanged . Absence of the right fifth posterior rib is noted .
    OUTPUT:
    
Bilateral interstitial abnormality has increased since ___ especially in the left lung which may be due to increased pulmonary fibrosis or pulmonary edema from heart failure . CT is recommended to clarify the etiology of the increased interstital abnormality ; however , diuresis and a repeat chest x-ray are recommended if failure is suspected . Findings were placed on the critical results dashboard by Dr . ___ at 5 :48 PM .