Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes . Moderate right pleural effusion has increased in size since prior . A small left pleural effusion is unchanged . Bibasilar opacities most likely represent atelectasis . Heart is moderately enlarged . Hilar and mediastinal silhouettes are unremarkable . Calcified atherosclerotic disease at the arch is noted . There is no pulmonary edema . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
Right pleural effusion , increased in size since ___ exam . Small left pleural effusion and moderate cardiomegaly is stable .