The airport xray wants to figure out the difference between metal and human organic stuff, which is like walking through a door. The hospital one has to find the difference between organic matter and organic matter inside the human, which is like a double reverse backflip through a door.
(X-Ray contrast comes from the density difference of stuff, organic-metal: easy, organic-organic: though)
Fact: Breast cancer is the hardest cancer “to see”, because the fat looks pretty much like cancer tissue with all diagnostics, so sciency texts will benchmark their tools with that type of cancer. My professor once told me a story of how they tried to bring a breast cancer sample from the US to our country and the airline wasnt happy about it all haha
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