Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left subclavian Port - A - Cath terminates in the lower superior vena cava . The cardiac , mediastinal and hilar contours appear unchanged . There are similar nodular pulmonary opacities in each lower lung , one on each side ; otherwise the lungs appear clear . The cardiac , mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . Bony structures are unremarkable .
    OUTPUT:
    
Similar nodular opacities in each lower lung without evidence for superimposed acute disease .