Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a mildly tortuous thoracic aorta . Otherwise , the cardiomediastinal silhouettes are normal . The bilateral hila are normal . Projecting over the left upper lung , there is a 5 mm circular possibly calcified opacity , which may represent bony island or left upper lobe lung nodule , possibly an old calcified granuloma ; specific localization is limited given lack of alternative views . It is recommended to obtain any old chest x-rays if this is not a known finding , or to obtain apical lordotic views if there are no prior films . Otherwise , there are no focal lung consolidations . There is no evidence of pulmonary vascular congestion . There is no pneumothorax or effusion .
    OUTPUT:
    
Small left apical circular opacity , possibly calcified . ___ represent rib bony island versus lung nodule , possibly old calcified granuloma . Recommend obtaining old radiographs or apical lordotic views if not previously known . Otherwise no evidence of acute cardiopulmonary process .