Brief Answer:
Expert advise & patient approach is needed.

Detailed Answer:

Hi,

- Interstitia is the inner tissue making lung structure & consists of fine branches of bronchi & blood capillaries with alveoli.Inflammation of this part of lung is called interstitial lung disease.The condition is represented in CT scan as inflamed & opaque tissue with intact blood vessel& bronchi &described as ground glass attenuation of lung tissue.( it's a nonspecific finding)
The cause can be severe or long standing infection/allergic /malignant in few cases/nonspecific.
- In your case it seems to be due to long standing infection by stahylococci.
- You have been investigated to confirm the cause & extent of the infection.
* Investigations to point out allergy(cbc/allergy screening test) helps in control of infection.
* Proper sugar control in diabetic patients is a must.
* Unfortunately Stah. infection is very notorious by being resistant to antibiotics.... so a careful evaluation with culture &sensitivity test of sputum to point out an antibiotic or combination of antibiotics to be used forms key role in treatment.
* Needful intervention with steroids & immunosupressant drugs adds to improvement.

**Management with advise of an expert Chest Physician who would take care of all above factors is advised at this stage.

** Not only medication but self care forms a must in recovery.
-Strict follow up of doctor's treatment plan.... Take complete course &follow up visit to doctor till he gives green signal to stop is needful.
-avoiding known allergens like dust,smoke,certain food items is essential
-Light &nourishing permissible food in small & frequent servings /plenty of warm water .
-Take rest ,avoid physical or psychological stress.

Thus with expert's help & self care you would make it ... please be patient &positive.
I hope that helps you. Any follow up query is welcome.
In case you are satisfied please grade the answer before you close the query
wishing you fast recovery,
Thanks

---