Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided PICC is seen , distal aspect not optimally seen , but likely in the region of the low SVC . There is no pneumothorax . Mild left basilar atelectasis is seen without focal consolidation . No pleural effusion . Cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Left PICC with distal tip not optimally seen , but likely terminating in the region of the low SVC without evidence of pneumothorax .