Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal radiograph of the chest demonstrates a left chest tube in unchanged position . Small bilateral pleural effusions are not significantly changed from prior . Unchanged right PICC and left pacemaker . The left lung perihilar opacities are not significantly changed . There is increased opacity at the right lung base which could reflect aspiration or pneumonia in the correct clinical setting .
    OUTPUT:
    
Worsening opacification of the right lung base could reflect pneumonia or aspiration in the correct clinical setting