Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip terminates in the SVC . The cardiac , mediastinal and hilar contours are unchanged with the heart size normal . Fullness of the anterior mediastinum on the lateral view likely reflects known mediastinal lesion , better noted on prior PET - CT . Lungs are clear . The pulmonary vascularity is normal . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .