Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 15 44 are submitted .
    OUTPUT:
    
There are stable small bilateral effusions . Lungs are relatively well inflated . Linear opacity at the left base likely reflects subsegmental atelectasis . There is some crowding of the vasculature due to relatively low volumes but no evidence of pulmonary edema or pneumothorax . Overall cardiac and mediastinal contours are stable . Overall , there is improved aeration at both lung bases .