Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left ventricular pacemaker device is again noted with appropriately positioned right atrial and right ventricular leads . Mild cardiomegaly is unchanged from ___ . Mild pulmonary venous congestion with cephalization and predominantly perihilar opacities consistent with mild interstitial pulmonary edema appears similar to chest radiograph of ___ . There is no evidence of pleural effusion or pneumothorax . There is linear atelectasis at the left lung base , similar to the prior examination . Loss of height of a upper mid thoracic vertebral body is unchanged compared to ___ .
    OUTPUT:
    
Findings suggesting mild interstitial pulmonary edema along with mild cardiomegaly and linear atelectasis at the left lung base . No evidence of acute pneumonia or pneumothorax .