Pancreatic cancer generally develops without earlysymptoms,exceptwhenitisclosetothebileductandcausesbiliary obstruction. Up to two-thirds may be located in thehead of the pancreas. Approximately 30% of cases arerelated to smoking and 20% are associated with the type ofTable 1.
underbelly noun [S]. âº the âweakest or most âunpleasant âpart of something: a âfilm âexposing the âsordid underbelly of âmodern âurban âsociety Small âbusinesses are the âsoft underbelly (= âweakest âparts) of the âeconomy, and they need as much âgovernment âsupport as âpossible.
underbelly. n, pl-lies. 1. (Zoology) the part of an animal's belly nearest to the ground. 2. a vulnerable or unprotected part, aspect, or region. (ËÊn dÉrËbÉl i).nderbelly. n, pl-lies. 1. (Zoology) the part of an animal's belly nearest to the ground. 2. a vulnerable or unprotected part, aspect, or region. (ËÊn dÉrËbÉl i).