Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large , rounded , sub - carinal opacity and an additional rounded opacity adjacent the left hilum . Lung volumes are low with crowding of the pulmonary vasculature . The lungs are otherwise clear without focal consolidation . Heart size is normal without pulmonary vascular congestion or pulmonary edema . No pleural effusions . No pneumothorax . Cardiomediastinal hilar silhouettes are normal .
    OUTPUT:
    
Subcarinal and left hilar opacities are concerning for mediastinal / hilar lymphadenopathy . Recommend CT chest for further evaluation .