Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . A left - sided Port - A - Cath is seen with catheter terminating in the distal SVC without evidence of pneumothorax . There are small areas of mild linear opacity at the left lung base which may relate to atelectasis , although in the appropriate clinical setting , early infectious process is not excluded . The right lung is clear . No pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Left Port - A - Cath terminates in the distal SVC . A few subtle linear areas of opacity at the left lung base most likely atelectasis , early infection not excluded in the appropriate clinical setting .