1 Upper middle abdominal pain. 2  Stomach (gastritis, stomach ulcer, stomach cancer) 3  Pancreas pain (pancreatitis or pancreatic cancer, can radiate to the left side of the waist, back, and even shoulder)  Duodenal ulcer, diverticulitis.
Newly Suggested Origin of the Word Phallus. The Latin penis has a Greek synonym phallos that produces many medical terms relating to the penis, like ithyphallic, phallic, and phalloplasty. The Latin form phallus is a synonym for penis in medical terminology.
On the etymology of 'demon', whilst as you relate it is derived from the Greek, the Greek may have an earlier Hebrew root. Many Greek words have Hebrew and Semitic origins (as does the Greek alphabet and thus our own Latin alphabet).