Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . Bilateral perihilar opacities with mild cardiomegaly is most consistent with edema . No pleural effusion . Thoracic aortic calcifications are noted . Degenerative changes are noted in the thoracic spine . No pneumothorax . Slight rightward deviation of the upper thoracic trachea appears more pronounced since ___ , possibly from a goiter .
    OUTPUT:
    
1 . No pneumothorax . 2 . Findings suggestive of congestive heart failure . 3 . Possible thyroid goiter .