• occurs
  • Bone marrow, liver and GI tract involvement occurs relatively early in the course of the disease. (wikipedia.org)
  • Compression of local structures occurs in advanced disease, leading to such problems as upper airway obstruction and superior vena cava syndrome. (wikipedia.org)
  • involve
  • Crohn's disease differs from ulcerative colitis in being able to involve the entire gastrointestinal tract from mouth to anus. (lymphedemapeople.com)
  • Some diseases which involve other parts of the GI tract can manifest in the mouth, alone or in combination, including: Gastroesophageal reflux disease can cause acid erosion of the teeth and halitosis. (wikipedia.org)
  • high
  • There are many premalignant conditions that are easily detected by routine surveillance, especially in high-risk groups, or in those with a family history of malignancy. (newsmax.com)