as simple as I stand here

as safe as a house as safe as house as sage as a house as scheduled as secret as the grave as security as seen from without as sharp as a marble as sharp as a needle as sharp as a razor as shown as shown on screen

cholaneresis cholangeitis cholangetic jaundice cholangia cholangie cholangiectasis cholangio-enterostomy cholangioadenoma cholangiocarcinoma cholangiocarcinomas