Dear Dr. Segalovich /Anna , I am still not breathing properly and could not finish the sleep Apenia test and i can not seep at home, still have shortness of breath and tightness in chest. Y have not obtained the apprval for the cat scan for my lungs yet to nw what is going on, i can not go on like this and i can not keep going to hospital, kindly contact me a.s.a.p, thanks ,guirguis    