Symptoms noted . Kindly share the following clarification to your symptoms
Do you have any swelling in neck ?.
Is the hoarseness persistent or is just happening when you need to clear the throat.and since blow long are you having this ?
Is the difficulty in swallowing just for one type of food , or are you having symptoms when having all types of solid food ?
Are you having heart burns associated with this
Black stools can also be caused by iron medication , was you on some kind of medication at that time , how long back did you have this symptoms
Next Steps
Your symptoms , definitely need to be evaluated . I would suggest you to do a consultation , followed by necessary investigation at the earliest .
Health Tips
Symptoms are having flag signs, need to undergo relevant investigation after consultation at the earliest.