Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of chest demonstrate left - sided Port - A - Cath terminating in the right atrium . Tracheostomy tube is in unchanged position . Vague right lower lobe opacities have been present in the past and likely represent chronic atelectasis or vessels . Stable right upper outer chest deformity . Gaseous distention of the colon is again noted .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .