Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is exaggerated by low lung volumes and AP projection , but probably top normal . Tortuous aorta is redemonstrated . Previous left basal atelectasis has coalesced into a smaller volume hugging the diaphragmatic surface since the prior study . There is no evidence of pneumonia , pulmonary edema , pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .