Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . The patient 's chin partially obscures the medial lung apices . Left mid to lower lung opacity concerning for pneumonia and possible small left pleural effusion with overlying atelectasis . The right lung is clear . The cardiac silhouette is top - normal . Mediastinal contours are grossly unremarkable . Central pulmonary vascular engorgement is seen , left greater than right .
    OUTPUT:
    
Left mid to lower lung opacity concerning for pneumonia , possible small left pleural effusion with overlying atelectasis . Central pulmonary vascular engorgement , left greater than right . Dedicated PA and lateral views would provide further assessment if / when patient able .