Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided moderate pleural effusion and linear right basilar atelectasis is comparable to multiple prior studies dating back to ___ . There is no pneumothorax or focal consolidations . There is mild cardiomegaly , stable at least since ___ . The hilar and mediastinal contours are otherwise normal .
    OUTPUT:
    
Stable right moderate pleural effusion and basilar atelectasis .