Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal cardiomediastinal silhouette . The lungs are clear without pneumothorax or pleural effusion , although the extreme right costophrenic angle is excluded . Again noted is asymmetric left lateral pleural thickening in the left base , similar as compared to ___ , but new since ___ .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Redemonstration of asymmetric left basal lateral pleural thickening . Further assessment by cross-sectional imaging should be considered to exclude underlying neoplasm .