when can i eat chips after jaw surgery?

You might have had a pneumothorax, which happens when air gets into the space between your lung and chest wall. This can occur with a sudden chest injury or the rupture of a tiny air sac. The swelling in your armpit could be connected to this. To receive appropriate care which may include releasing pressurized air by draining it out to facilitate lung expansion.

You need to rest and avoid excessive strain. You may take pain killers, try heat or cold therapy. Do gentle stretching exercises and maintain good posture. 

This condition can be tried with acupuncture, as per acupuncture theory acupuncture needles balances the imbalanced meridian thereby giving relief in majority of the symptoms. 
Acupuncture, Acupressure, Seed therapy, electro magnet therapy, colour therapy gives miraculous results.

Muscle knots are usually caused by stress. Stress & tension later develops in the form of muscle tightness and discomfort called muscle spasms.
Regarding your slightly high lymphocyte count, if your doctors have reassured you that it is not a cause for concern, it's generally best to trust their expertise. Minor variations in blood cell counts can occur without indicating a serious health issue.

To stop arthritis from progressing, you need to avoid running, squatting, jumping, stairs, cross legged sitting. Do weight reduction and quadriceps and hamstring strengthening exercises.

Did you consult with neurologist or orthopedist? If not then please do that. They can diagnose the underlying cause of the sciatica and provide appropriate treatment. Some self-care measures such as taking over-the-counter pain relievers, gentle stretching, and hot/cold compresses may also help to get rid of the symptoms. However, these measures should only be used under the guidance of a doctor.

If the pain does not go away and is not responding to pain management techniques, you should see a doctor. An orthopedic surgeon could further evaluate the problem and suggest the most effective treatment options.