Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . Heart size and mediastinal contours are stable . Left lower lobe atelectasis persists . Pulmonary vascular markings have increased and the hila appear indistinct and hazy , findings consistent with interval worsening of pulmonary edema . In addition , multiple widely distributed small rounded opacities were not seen on ___ and , given the short time interval , likely represent vascular structures .
    OUTPUT:
    
Slight interval worsening of pulmonary edema with persistent left lower lobe atelectasis . Multiple bilateral small rounded opacities , new since ___ , are most likely engorged vessels , but follow - up is recommended after resolution of pulmonary edema .