Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall appearance of the chest is similar to previous studies , with mild cardiac enlargement , marked enlargement of central pulmonary arteries ( suggestive of pulmonary hypertension ) , and right mediastinal and hilar prominence attributed to lymphadenopathy based on prior CT . Diffuse interstitial abnormality is also similar to prior exams . Healed right rib fractures are also unchanged .
    OUTPUT:
    
Similar radiographic appearance of the chest compared to ___ . However , in a patient with such complex radiographic appearance , a subtle abnormality may be difficult to detect . Considering worsening pulmonary symptoms , CT may be helpful for more complete assessment of the lungs in order to exclude progressive interstitial fibrosis , superimposed early pneumonia , or other acute process .