Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes , which accentuate bronchovascular markings . There is small right pleural effusion . Right lung base opacities likely represent atelectasis . Linear opacity in the left lower lung zone , likely represents plate - like atelectasis . Hilar and mediastinal silhouettes are unremarkable . Moderate enlargement of the cardiac silhouette is new since ___ due to cardiomegaly and / or pericardial effusion . There is no pulmonary edema . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
1 . Small right pleural effusion . Right lung base opacity , most likely atelectasis , however , superimposed infection can not be excluded . 2 . Mild cardiomegaly and / or pericardial effusion new since ___ . Consider cardiac ultrasound for further assessment .