Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , but there are no focal opacities . A nodular opacity just below the margin of the right hemidiaphragm represents a calcified granuloma seen in prior CT . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . A right - sided Port - A - Cath ends in the lower SVC , unchanged from prior .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .