Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild bibasilar atelectasis . Slight increase in opacity at the medial right lung base is similar to radiograph from ___ and likely represents confluence of vascular structures . No definite focal consolidation . No pleural effusion or pneumothorax is seen . Cardiac and mediastinal silhouettes are stable . Findings are similar to ___ .
    OUTPUT:
    
Questionable opacity at the medial right lung base is similar to radiograph from ___ and likely represents confluence of vascular structures . No definite focal consolidation .