Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , there is a lead placement . The leads show a normal course , a project over the right atrium , the right ventricle , and the coronary sinus . There is no evidence for the presence of a pneumothorax . Mild cardiomegaly . No overt pulmonary edema . Bilateral small pleural effusion , left greater than right and the left has slightly increased .
    OUTPUT:
    
As compared to the previous radiograph , there is a lead placement . The leads show a normal course , a project over the right atrium , the right ventricle , and the coronary sinus Bilateral small pleural effusion , left greater than right and the left has slightly increased .