Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes , which accentuate bronchovascular markings . There is no focal consolidation , pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . Ventriculoperitoneal shunt is seen projecting over right hemithorax , which appears intact throughout its course . Additional catheter segments are seen in the left upper abdomen , better assessed on abdominal radiographs of the same date .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Ventriculoperitoneal shunt appears intact throughout its course . Additional shunt segments seen in the left upper abdomen are better assessed on dedicated abdominal radiographs of the same date .