Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In normal cardiac silhouette . Right apical pleural thickening similar to priors and likely due to radiation therapy . No focal consolidation , pleural effusion or pneumothorax . Surgical clips in the right axillary region compatible with prior lymph node dissection . Mild pulmonary venous congestion .
    OUTPUT:
    
No radiographic explanation for increased oxygen requirements . CT of the chest may be considered to determine pulmonary embolism as cause of increased oxygen requirements if clinically warranted .