Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous with atherosclerotic calcifications noted at the arch . Pulmonary vasculature is not engorged . Focal opacity is seen within the right lower lobe concerning for pneumonia . There is likely a small right pleural effusion . Left lung demonstrates streaky atelectasis at the left lung base but no additional sites of focal consolidation . No pneumothorax or left - sided pleural effusion is demonstrated . There are no acute osseous abnormalities .
    OUTPUT:
    
Right lower lobe pneumonia with possible trace right pleural effusion . Follow up radiographs after treatment are recommended to ensure resolution of this finding .