Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates stable - appearing left sided pleural effusion and atelectasis at the left base . There is minimal persistent right basilar atelectasis . The cardiomediastinal and hilar contours are unchanged . There is stable cardiomegaly . The right - sided internal jugular central venous line ends at the mid SVC . The right - sided PICC line ends at the right atrium . There is no pneumothorax .
    OUTPUT:
    
Persistent opacification at the left base consistent with pleural effusion and adjacent atelectasis .