Small knot in between chin and throat. Trouble breathing constant feeling of something stuck in top of my throat, hoarse and trouble swallowing?

See doc.... Shortness of breath is a serious symptom and with difficulty swallowing, hoarseness, etc. Could be indicative of a problem in your upper airway. If the shortness of breath is worsening, go to the nearest er right away. See a doctor as soon as possible to get this diagnosed and treated.