my husband has been coughing up blood for a year and also smokes 2 packs a day for over 40 years, a xray he took of his chest shows a spot on his lung and nodules on his left lung, he also has unexplained back pain for ovr a year, he is 58 and will not follow up with other treatments, we saw 2 er doctors, and his regular doctor, his back pain is not getting better, and ziz think he is in more pain than he lets on, am afraid for my husband, I am 49, and we have 2 children, please help,