More about Dolphin Echolocation. Sonar in Dolphins. An exploration of the sonar system of Tursiops truncatus. Dolphin Echolocation. How dolphins use sound by The Cardigan Bay Marine Wildlife Centre. This site includes a recording of dolphin clicks.
I also have shortness of breath hat I have had for about 4 months now coinciding with the back ache starting and digestion changes. ...I have been worried sick I have pancreatic cancer as my symptoms....
At this point, symptoms depend on the cancer 's location within the pancreas 1  : Pancreatic cancer in the head of the pancreas tends to cause symptoms such as weight loss, jaundice (yellow skin), dark urine, light stool color, itching, nausea, vomiting, abdominal pain, back pain, and enlarged lymph nodes in the neck. Pancreatic cancer can cause a dull ache in the upper abdomen radiating to the back. 2  The pain may come and go. 3  Bloating. 4  Some people with pancreatic cancer have a sense of early fullness with meals (satiety) or an uncomfortable swelling in the abdomen. 5  Nausea. 6  Diarrhea. 7  Pale-colored stools.