 [ Symptoms ] surgeon said he had to take cartilage out from my jaw [ Disease ] the stomach contents can be definitely be bright yellow when empty of most food this is the normal stomachgastric fluids as far as those brown tube like things i really can not comment since i did not see it if your vomiting subsides i would not be overly concerned but if your are continuing to vomit please consult your medical provider for advice someone who knows you and your medical history