Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in semi-upright position . Comparison is made with the next preceding similar study of ___ . The heart size is probably within normal limits as can be identified on this portable AP single view examination . No configurational abnormality is present . Unremarkable appearance of thoracic aorta . Pulmonary vasculature is not congested , and there is no evidence of pleural effusion blunting the lateral pleural sinuses . No pneumothorax in the apical area . In comparison with the next preceding examination one day ago , no significant interval change can be identified . Comparison is extended to the PA and lateral chest examination dated ___ . The PA and lateral chest examination demonstrated much better inspirational effort with clear lungs . The heart size was within normal limits and no configurational abnormality was identified .
    OUTPUT:
    
Unremarkable findings on PA and lateral chest examination as of ___ . The present portable semi-upright chest examination can not reveal any new significant cardiovascular or pulmonary abnormality .