we only need to determine
that the TUMOR hasn't grown.
Breaking Bad Season 2, Episode 9
Then it must be a TUMOR.
The Big Bang Theory Season 2, Episode 10
...and if you disagree, I recommend
a CAT scan to look for a TUMOR...
The Big Bang Theory Season 1, Episode 10
(IN HIGH-PITCHED VOICE)
Sure sounds like a TUMOR...
The Big Bang Theory Season 2, Episode 10
Walt, your TUMOR has shrunk
by 80 percent.
Breaking Bad Season 2, Episode 9