Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pacing lead projects over the left chest with leads in the right atrium and right ventricle . The heart size is large but stable . The mediastinal contours demonstrate calcified atherosclerotic disease of the aortic knob and a prominent pulmonary arterial contour . The lungs demonstrate mildly improved but persistent pulmonary edema . A pleural pigtail catheter is present at the right costophrenic angle with near - complete resolution of the previously described pleural effusion . A small pleural effusion is still present on the left . A right - sided PICC tip terminates at the mid SVC . No pneumothorax is seen .
    OUTPUT:
    
Status post right pleural pigtail catheter placement with improvement in pleural effusion and no pneumothorax ; persisting pulmonary edema and small left pleural effusion .