Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Assessment of the left apex is obscured by the patient 's neck projecting over this area . Moderate enlargement of the cardiac silhouette with a left ventricular predominance is again noted . Aortic knob calcifications are present . The mediastinal and hilar contours are similar . Crowding of bronchovascular structures is present with possible mild pulmonary vascular congestion . Patchy opacities in the lung bases are re- demonstrated . No large pleural effusion or pneumothorax is identified . Percutaneous gastrostomy catheter is seen in the left upper quadrant of the abdomen .
    OUTPUT:
    
Limited study with low lung volumes . Possible mild pulmonary vascular congestion . Patchy opacities in lung bases may reflect atelectasis , but infection can not be excluded in the correct clinical setting .