Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Slight left base opacity is felt to most likely be due to atelectasis and overlying nipple shadow , however , findings can be better evaluated on dedicated PA and lateral views . The right lung is clear . No definite pleural effusion is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . There is no pulmonary edema .
    OUTPUT:
    
Slight increase in opacity at the lateral left lung base may be due to atelectasis and overlying nipple shadow . This could be further evaluated with dedicated PA and lateral views .