the back of my throat has small slits and when i pressed on it these small soft substance came out i never noticed this before iv checked on the internet is it stones? is this dangerous what do i do and why would i get this,,,,,,second thing on my leg i have a small red bump outside of leg outter side above nee cap kinda sensitive when pressing on could this be a pinched nerve or hernia or cyst....how would i be able to remove