Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right PICC has been withdrawn by several centimeters ; however , it still terminates within the upper SVC . There is a new heterogeneous opacity in the right upper lobe . A small right pleural effusion is slightly larger than on prior study . Left lower lobe atelectasis has worsened . There is no pneumothorax . Mild cardiomegaly is stable .
    OUTPUT:
    
1 . Right PICC terminates within the upper SVC . 2 . Right upper lobe opacity concerning for pneumonia given clinical symptoms . 3 . Worsening small right pleural effusion and left lower lobe atelectasis . 4 . Stable mild cardiomegaly .