Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Cardiomediastinal silhouette and hilar contours are normal . There is focal asymmetric increased density at the left apex which appears new compared to prior exams . Lungs are otherwise clear . Pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
Focal asymmetric increase in density of the left apex compared to prior studies . Recommend apical lordotic view to differentiate between pulmonary abnormality ( lung nodule or focal consolidation ) and a summation of normal , overlying structures .