Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The exam is limited secondary to the patient position . Within these limitations , the visualized lung fields do not have any focal opacities , pleural effusions or pneumothorax seen . There has been interval removal of a right PICC line . The cardiac and mediastinal silhouette is unchanged .
    OUTPUT:
    
Limited secondary to patient position . No acute cardiopulmonary process .