Context: Thanks . But yeah , lung x - rays were good but there was still the sound of " rice crispies " ( as my doctor put it ) in my left lung so I was given a nebulizer treatment . It ... uh ... helped . I 'll leave it at that .

Question: What may be the reason why they needed lung xrays ?
Options:
0. They were going to be having surgery .
1. They had an infection .
2. None of the above choices .
3. They needed one for insurance purposes .
Answer: 1