Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes , which results in bronchovascular crowding . Increased opacity is noted at the right base . There is mild blunting of the left costophrenic angle , improved from prior . The heart is enlarged . The aorta is tortuous . The trachea is deviated to the right . No pneumothorax . There is been interval removal of the right internal jugular central venous line and nasogastric tube .
    OUTPUT:
    
1 . Right basilar opacity may represent atelectasis , however aspiration or pneumonia could be considered in the appropriate clinical setting . 2 . Blunting of the left costophrenic angle is improved from prior .