Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal , though increased since ___ , and there are no secondary signs of congestive heart failure such as pulmonary edema or engorgement of the pulmonary vessels . The generally large and tortuous thoracic aorta may have enlarged from ___ and a Torso CT in ___ . Lungs are well expanded and clear , and pleural space is normal . Healed right rib fractures are longstanding .
    OUTPUT:
    
1 . Interval increase in the size of the heart , however , still within the upper limits of normal . No secondary signs of congestive heart failure . 2 . There may be an interval increase in the size of the aorta compared to the prior CT from ___ ; however , if clinically indicated , would recommend follow up CT for further evaluation and characterization .