Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval extubation . Lung volumes are relatively low . A 1 .4 cm nodular opacity in the lateral left lung is unchanged . Central lucency is raises the possibility of cavitation . A linear density projecting over the left heart border is unchanged . Trace left pleural effusion . Top normal heart size is unchanged . Cardiomediastinal hilar silhouettes are unchanged . A median sternotomy wires are midline , some fractured , unchanged .
    OUTPUT:
    
1 . Interval extubation , but otherwise no significant change . 2 . Persistent lateral left lung nodular opacity with features raising the possibility of cavitation . Recommend nonurgent dedicated CT for further evaluation . 3 . Probable pleural plaque overlying the left heart border . Correlation with asbestos exposure history recommended .