Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP upright chest radiograph demonstrate cardiomegaly , the size of the heart which appears decreased in size relative to prior study performed ___ . There is no evidence of pulmonary edema . There is no pleural effusion or pneumothorax . Lungs are clear without a focal consolidation convincing for pneumonia .
    OUTPUT:
    
Cardiomegaly without evidence of pulmonary edema . No evidence of pneumonia .