Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . There is slight blunting of the posterior left costophrenic angle and a trace pleural effusion is not excluded . There is a nodular opacity projecting over the left mid lung , measuring approximately 1 .1 cm , not seen on the prior study . Cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
1 .1 cm nodular opacity projecting over the left mid lung not seen on the prior study . Recommend outpatient chest CT for further evaluation for possible pulmonary nodule . Slight blunting of the posterior left costophrenic angle may relate to hyperinflation but trace pleural effusion not excluded .