Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Port - A - Cath resides over the right chest wall with catheter tip extending to low SVC . Partially imaged hardware in the the upper lumbar spine is again noted . Heart is top - normal in size . Vague opacity in the lower lungs likely represent atelectasis . No convincing sign of pneumonia , CHF , effusion or pneumothorax . The mediastinal contour is stable in on folded . No acute bony injuries . No free air below the right hemidiaphragm .
    OUTPUT:
    
Top - normal heart size . Mild bibasilar atelectasis .