Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new small left pleural effusion . Opacity at the left lung base also appears new . The right chest wall Port - A - Cath ends in the right atrium . Atherosclerotic calcification of the aortic arch and tortuosity of the descending thoracic aorta is unchanged . Stable cardiomediastinal contours . The right lung is clear .
    OUTPUT:
    
New small left pleural effusion with left lower lobe opacity suspicious for pneumonia given the clinical history .