2000f-909 atlases biopsy chest diagnosis diagnostictechniques digestiveorgans digestivesystem diseases duodenaldiseases duodenum esophagealneoplasms esophagus gastrointestinalsystem lungdiseases methods monitoring pathology physiologic physiology physiopathology stomach stomachdiseases surgery therapy thoracicsurgery treatment wf17k13a1997 wi100p29771984 wi250e76282005 wi250e7651983 wi250m4891980 wi250p8952000