a lump in the neck that doesn’t go away after 3 weeks
hearing loss (usually only in 1 ear)
tinnitus (hearing sounds that come from inside the body rather than from an outside source)
a blocked or stuffy nose (usually only blocked on 1 side)
nosebleeds
headaches
double vision
numbness in the bottom part of your face
swallowing problems
a hoarse voice
unintentional weight loss