I Noticed A Lump In My Neck Just Above My Collar Bone I've Had It A While Its Not Painfull To Touch?

Its Not Painfull To Touch Or Anything Like There Has Always Been A Bump There For As Long As I Can Remember Its Just When I'm Ill It Rises And These Past 2 Weeks I've Had Really Bad Cold It Feels Like I'm Underwater But Yeah Back To It What Is It ? Its Just Concerning