hello i do suffer a lot of heart burn but last night i was sick with a mix of blood and coffee colour sick. i do have medical problems i take metaformin for type 2 diabetes , take 175 mgs of levothyroxine for underactive gland ,and cabergoline 2x weekly . i notice the past 6 months hard to swollow like when u rush your food and takes ages to go down well i get that when eating 4 bites of toast .also i feel this lump swell up and down where my food pipie is leading to my stomach im very worried what could this be . im 33 year old female thanks.