Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall Port - A - Cath is again seen with its tip extending into the region of the cavoatrial junction . The lungs appear clear without focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette appears stable with widened mediastinum compatible with known mediastinal lymphadenopathy as seen on recent PET CT . The imaged bony structures appear intact . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
No evidence of pneumonia .