Table 2.

Review of cancer type based on no of features and age group.

Article	No of features selected	Imported feature (age group)	Possible cancer types
[33]	13 parameters	18-40	Cancer type 1 and type 2
[34]	10 parameters	20-50	Cervical cancer, lung cancer
[35]	12 parameters	18-55	Cervical cancer, skin cancer
[36]	10 parameters	18-45	Cervical cancer type 3
[37]	15 parameters	20-50	Cervical cancer, breast cancer
[38]	7 parameters	18-30	Cervical cancer, breast cancer
[39]	10 parameters	17-30	Cervical cancer, lung cancer
[40]	18 parameters	14-60	Cervical cancer, type 2 and 3
[41]	12 parameters	15-55	Cervical cancer, type 1