Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral predominantly basilar airspace opacities right greater than left , mildly less severe when compared to ___ . Heart size is enlarged . The aorta is tortuous . There is no pleural effusion or pneumothorax . A calcified structure adjacent to the upper left trachea corresponds to a calcified thyroid nodule on prior CT scan .
    OUTPUT:
    
Bilateral predominantly basilar opacities right greater than left , differentials include multifocal pneumonia or pulmonary edema .