What Causes Chronic Hoarseness And Throat Obstruction?

Hi I am a 31 year old female and have had a hoarse voice for along time...years some of my older family members have voices like this too. I am a smoker but the last few weeks it feels like I have a little lump in my throat when I swallow and is a little soar around my voice box I am a very worried mother of three please help hayley stott