Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph is obtained with the patient in the upright position . The cardiomediastinal contours are unchanged . There is persistence of the left small - moderate pleural effusion with surrounding atelectasis . Right pleural effusion is nearly resolved . Lungs are more transparent and better aerated . No pulmonary vascular congestion and no focal consolidation to suggest pneumonia . No pneumothorax .
    OUTPUT:
    
1 . No discrete areas of consolidation in the visualized portions of the lungs to suggest pneumonia . Pneumonia within the left base masked by the effusion and atelectasis can not be excluded and requieres clinical coorelation . 2 . Unchanged small - moderate left pleural effusion and atelectasis .