Icant breath normaly.. feels like there's something in my chest and my neck, I always cough up mucus... almost everyday.. and pain to my chest and my back.. alwayt.. what it is doctor?

icant breath normaly..feels like theres something in my chest and my neck,,i always cough up mucus...almost everyday..and pain to my chest and my back..alwayt..what it is doctor??

My crystal ball is out for calibration this month. You need to see a doctor... this can't be diagnosed via telepathy.