B/L Mastoiditis. Be the cost involved?

How severe is mastoiditis (as per ct scan & x ray report)? how fast it needs treatment? (can this treatment delayed for atleast 6 months, based on ct scan & x ray report) what is the treatment & duration? (antibiotics) which is causal organism? can this soft tissue removed by incision & drainage? is there any chance of recur (after small surgery)? is there any culturing/investigation/further diagnosis of sample? (after small surgery) does it spread to other organs? (Mainly brain) if, in case surgery is the option - is it a major or minor surgery? how long does it take? how fast one could recover after surgery? as mastoiditis is observed in both ears, what is the time interval for both ear surgeries? what are the complications of surgery & what is it's percentage? what would be the cost involved?