Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP view of the chest demonstrate low lung volumes . When compared to prior examination dated ___ , there has been little interval change . The cardiac and mediastinal contours are similar in appearance allowing for differences in patient positioning . On current examination , patient is slightly rotated . Obscuration of the left costophrenic angle likely reflects minimal atelectasis . No focal consolidation is identified . There is no large pleural effusion or pneumothorax . Re- demonstration of rightward deviation of the trachea is stable in appearance and secondary to left - sided thyroid nodule as documented on CT dated ___ .
    OUTPUT:
    
Low lung volumes with minimal left basilar atelectasis .