In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.

 Of 23 patients ( 36 % ) who subsequently died of disease , 19 ( 30 % ) relapsed with invasive cancer in the bladder .
bladder

 There was no statistical correlation between clinical symptoms , biochemical data , and cardiac calcific alterations .
cardiac

 Melanoma / skin cancer screening clinics : experiences in The Netherlands .

skin