Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is diffuse patchy opacification of both lungs , slightly worse compared to ___ and likely due to mild pulmonary edema . The small left pleural effusion shows minimal improvement from the prior scan . Additionally , there is a small spiculated nodule in the left mid-lung that could reflect a round opacification overlying a mid-thoracic vertebral body . Stable cardiomegaly . Calcification of the aortic arch . No other acute osseous abnormalities .
    OUTPUT:
    
1 . Slight improvement of small left - sided pleural effusion 2 . Small left pulmonary nodule with spiculated appearance . Recommend further evaluation with a CT scan .