Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the examination obtained ___ , pulmonary edema has resolved . A focal nodular opacity projecting over the anterior left fifth rib is likely a nipple shadow . Hyperinflation of the lungs suggests chronic obstructive pulmonary disease . Moderate biapical scarring is again noted . A focal opacity within the right apex was new in ___ , but is unchanged since and does therefore not reflect active infection . No pleural effusion or pneumothorax . . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal . A vertebral body compression deformity in the mid to upper thoracic spine is unchanged since at least ___ .
    OUTPUT:
    
No radiographic evidence of intrathoracic malignancy or active infection . Compared to ___ , pulmonary edema has resolved . Severe emphysema .