Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly and calcified aortic knob are stable . There is also stable pulmonary nodule in the right hemithorax . There is no evidence of pneumonia , edema , pleural effusion , or pneumothorax .
    OUTPUT:
    
Stable cardiomegaly without evidence of acute cardiopulmonary process .