The chest radiograph shows prominence of the right paratracheal tissues, which may represent a goiter or a vascular contour. There is low lung volume with a retrocardiac opacity in the left lower lobe likely indicative of atelectasis. The cardiac silhouette appears normal in size and is unchanged. No signs of pulmonary edema or pleural effusion are present. The osseous structures of the chest show osteopenia but no compression deformities or fractures.
Simple pleural effusion (Absent) Atelectasis (Present) Edema (Absent)