Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right midlung partially linear opacity seen in on the frontal and lateral views is compatible with fluid in the fissure . This opacity abuts the right hilum . There is a probable small layering left - sided pleural effusion . Calcification along the left hemidiaphragm is noted . Hazy opacity seen at the right lung base . Elsewhere , lungs are clear . There is pulmonary vascular congestion without overt edema . Cardiomediastinal silhouette is stable . New left chest wall pacing device is seen with lead tip at the right ventricular apex .
    OUTPUT:
    
Fluid within the right - sided fissures . Hazy right basilar opacity , potentially atelectasis noting that infection is difficult to exclude . Interval placement of left chest wall single lead pacing device .