Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A fiducial marker is seen projecting over the right upper quadrant , likely in the medial aspect of the right lung base . Nodular opacities are noted in the left lung as seen on prior CT . Lung volumes are low which accentuates heart size . Mild pulmonary vascular congestion is noted . No large pleural effusion or pneumothorax present .
    OUTPUT:
    
Status post right lower lobe fiducial placement with low lung volumes . No pneumothorax .