Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates in the upper right atrium . The cardiac , mediastinal , and hilar contours appear unchanged . Although the left costophrenic sulcus is partly excluded , there is no evidence for pleural effusions . There is no pneumothorax . Streaky left middle lung opacity , probably unchanged , suggests minimal scarring .
    OUTPUT:
    
No evidence of acute disease .