preferred_name: Acute gangrenous appendicitis without mention of perforation, peritonitis or rupture
preferred_name_lc: acute gangrenous appendicitis without mention of perforation, peritonitis or rupture
label: Acute gangrenous appendicitis without mention of perforation, peritonitis or rupture
label_lc: acute gangrenous appendicitis without mention of perforation, peritonitis or rupture