Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates hypoinflated clear lungs with vascular crowding . Heart size , mediastinal contour and hila are unremarkable . No pleural effusion . Very tiny left apical pneumothorax is present without tension . No right pneumothorax . Limited assessment of the upper abdomen is within normal limits .
    OUTPUT:
    
1 . Tiny left apical pneumothorax . 2 . Hypoinflated lungs . No pneumonia .