Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable chest radiograph was provided . A right PICC terminates in the mid SVC . There is no focal consolidation or pneumothorax . Opacity at the left base likely represents a combination of atelectasis and effusion . The cardiomediastinal silhouette is unchanged . Left humerus prosthesis and old left rib fractures .
    OUTPUT:
    
1 . Right PICC in the mid SVC . 2 . Left basilar opacity likely a combination of atelectasis , and a small effusion however infection can not be excluded .