Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall pacer device is again seen with leads extending into the region of the right atrium and right ventricle . The heart is mildly enlarged with linear densities in the lower lungs most compatible with platelike atelectasis . No convincing evidence for pneumonia or edema . No effusion or pneumothorax is seen . The mediastinal contour is normal . Imaged bony structures are intact . Metallic embolization coil projects over the right upper abdomen .
    OUTPUT:
    
Mild cardiomegaly with platelike lower lung atelectasis . No convincing evidence for pneumonia .