I'm really worried about my mom. For the last 67 months, she's been experiencing excessive yawning during the day. We've done all kinds of tests like chest x-ray, ECG, echo, TMT, and even basic blood work, but everything's coming back normal. She often mentions feeling like there's air stuck in her left chest, and yawning seems to give her some relief. Sometimes she even has chest pains. Could you help us figure out what's going on?

Pulmonologist opinion is advised to the patient.