Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall hazy density of the lung bases is likely secondary to overlying soft tissue attenuation . No confluent opacity is identified to suggest pneumonia . There is no pulmonary edema or pleural effusion . No pneumothorax is evident . Mediastinal and hilar contours are within normal limits . Mild cardiomegaly appears unchanged . No definite rib fracture is visualized . Thoracic vertebral body heights appear preserved Cervical spinal hardware is new from prior and partially imaged on this current examination .
    OUTPUT:
    
No acute cardiopulmonary process . No definite rib fracture on this chest radiographic examination . Dedicated rib series radiographs are recommended if there is ongoing clinical concern for acute rib fracture ,