Hi, i have currently discovered a small lump/cyst right in front of my ear, located by my jaw. the cyst seems to increases and decrease in size and varies day by day. it moves slightly and varies between the size of a pea and peanut. it feels more like ru

Lymph node.: That sounds like a pre-auricular lymph node, which could enlarge in response to an ear or sinus infection. If it eventually goes away completely, say in two to four weeks, then there's no cause for concern, especially if you have symptoms of said infections. If it does not go away, you may want to have it looked at - sometimes we need to take these out for definitive diagnosis if they linger.