Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine radiograph of the chest demonstrates low lung volumes with resulting bronchovascular crowding . There is bibasalar atelectasis , left greater than right . There is a small left - sided pleural effusion with adjacent atelectasis . There is enlargement of the bilateral hila , with increased density of the right hila , which may be related to enlargement of the main pulmonary artery or lymphadenopathy . There is mild vascular congestion without frank pulmonary edema . There is cardiomegaly , the extent of which can not be easily assessed on this image . There is no pneumothorax .
    OUTPUT:
    
1 . Enlargement of the bilateral hila , with increased density of the right hila , which may be related to enlargement of the main pulmonary artery or lymphadenopathy . Recommend CT of the chest for additional evaluation . 2 . Small pleural effusion at the left base with adjacent atelectasis . 3 . Cardiomegaly . 4 . Mild vascular congestion .