Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show no acute intrathoracic process . The cardiomediastinal , pleural and pulmonary structures are unremarkable . There is no pleural effusion or pneumothorax . The heart size is normal . A MediPort is seen terminating in the distal SVC . There are no suspicious osseous lesions . The patient is status post right arm amputation .
    OUTPUT:
    
No acute intrathoracic process .