Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip terminates in the low SVC . Heart size is normal with a left ventricular predominance . The aorta is unfolded . Pulmonary vasculature is normal . Hilar contours are unremarkable . Patchy opacity within the right lower lobe likely reflects atelectasis . Left lung is clear . No pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
Patchy opacity in the right lower lobe , likely atelectasis .