[Music] hello everyone myself Dr Ames Singh I consultant hen Surgical Oncology DH Nar super Speciality Hospital I want to talk about the henic cancers so what are the main causes for henic cancers tobacco in any form alcohol are the main causes for the henic cancers what are the other causes for the heric cancer which includes sharp teeth or poor oral hygiene lose Dentures or certain type of infections so how we come to know what are the symptoms for the heric cancers so first any ulcer which is not healing since 2 week decrease in the mouth opening any bleeding from the GS or any leion any localized Pain any difficulty in swallowing or change in voice in certain cases if there is nasel breeding or nasal obstruction also or any lump in the neck so whenever you get these type of symptoms we should always show it to a Hite cancer or a surgical oncologist