Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single semi-erect AP portable view of the chest was obtained . In the interval since the prior study , there has been development of a right basilar opacity felt to most likely represent pleural effusion with overlying atelectasis though underlying consolidation is not excluded . Dedicated PA and lateral views would be helpful for further evaluation if / when patient able . Aside from minimal left basilar atelectasis , the left lung is clear . No evidence of left - sided pleural effusion is seen . There is no evidence of pneumothorax . The aorta is slightly tortuous . The cardiac silhouette is not enlarged . No overt pulmonary edema is seen .
    OUTPUT:
    
Interval development of right basilar opacity , which may be due to pleural effusion and overlying atelectasis versus consolidation . Dedicated PA and lateral views would be helpful for further evaluation if / when patient able .