Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right Port - A - Cath ends in the mid superior vena cava . The costophrenic angles are not included on the imaging . Otherwise , the lungs are clear without focal opacity , pleural effusion , or pneumothorax . The cardiac and mediastinal contours are normal . There is no free air beneath the right hemidiaphragm .
    OUTPUT:
    
Within the limits of this study , there is no evidence of pneumonia .