Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilaterally there is moderate perihilar congestion and hazy interstitial abnormality most suggestive of pulmonary edema . There are also more focal posterior basilar opacities , at least including the retrocardiac region , possibly pneumonia in the left lower lobe . Fissures are thickened . A subpulmonic effusion is difficult to exclude on the right . There is no evidence for pleural effusion on the left . A metallic fragment projects over soft tissues of the left axilla .
    OUTPUT:
    
Findings suggest mild to moderate pulmonary edema . Suspicion for coinciding opacity in the left lower lobe concerning for pneumonia .