Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . 1 .6 cm lower lobe nodule is only seen on the lateral projection , however appears unchanged . No pleural effusion or pneumothorax . Hilar and cardiomediastinal contours are normal .
    OUTPUT:
    
1 . No pneumothorax . 2 . 1 .6 cm left lower lobe nodule appears unchanged from ___ and was better characterized on CT chest ___ .