Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval increase in pulmonary vascular markings as follows cardiac silhouette . Linear increasing opacities and loss left lower lobe opacity partially silhouetting the left hemidiaphragm seen on the lateral view could be a combination of atelectasis and possible left lower lobe pneumonia . No pleural effusions or pneumothorax . Implantable subcutaneous device in the anterior left chest wall in similar position .
    OUTPUT:
    
Mild pulmonary edema and possible left lower lobe consolidation can be pneumonia in the appropriate clinical setting .