Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . Fullness in the region of the azygos vein is seen without overt pulmonary edema but a component of lymphadenopathy can not be excluded . The heart is normal in size and otherwise mediastinal contours are unremarkable .
    OUTPUT:
    
No acute intrathoracic process . Fullness along the right paratracheal stripe could be vascular or reflect lymphadenopathy . Suggest non-emergent Chest CT .