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 . No pleural effusion , focal consolidation or pneumothorax is seen . Hilar and mediastinal silhouettes are unremarkable . Heart size is top normal . There is no pulmonary edema . Linear density projecting over midline neck is noted , likely reflecting a safety pin which is external to the patient . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .