Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right PICC tip terminates in the lower SVC . No definite pneumothorax is seen , though the patient 's chin obscures the lung apices . The heart size is mildly enlarged , unchanged . The mediastinal and hilar contours are stable , with aortic knob calcifications redemonstrated . Streaky opacities in the lung bases are present , likely reflective of atelectasis . No overt pulmonary edema is seen . No pleural effusion is present .
    OUTPUT:
    
Right PICC tip terminates in the lower SVC .