Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . There is no evidence of pneumomediastinum . No pulmonary edema is seen . A 7 - mm sclerotic focus in the right humeral head is not well evaluated but may represent a bone island or may be artifactual .
    OUTPUT:
    
No acute cardiopulmonary process . No evidence of pneumomediastinum .