“…A total of 47,964,650 cancer patients participated in a total of 64 studies carried out worldwide, with study samples ranging from 26 to 19.6 million. Out of the 64 studies, 15 studies included participants with any type of cancer ( 32 , 35 , 36 , 39 , 41 , 44 , 51 , 52 , 58 , 65 , 68 , 72 , 84–86 ), a mix of 2 or more types of cancers (10 studies) ( 27 , 33 , 38 , 53 , 56 , 62 , 69 , 71 , 79 , 81 ), breast cancer (11 studies) ( 30 , 40 , 45–47 , 50 , 55 , 66 , 76 , 82 , 83 ), colorectal cancer (6 studies) ( 48 , 57 , 59 , 67 , 70 , 75 ), colon cancer ( n = 1) ( 49 ), skin cancer (3 studies) ( 20 , 77 , 78 ), lung cancer (2 studies) ( 54 , 80 ), lung cancer with brain metastasis (1 study) ( 34 ), prostate cancer (3 studies) ( 63 , 64 , 74 ), pancreatic cancer (1 study) ( 28 ), bladder cancer (2 studies) ( 29 , 31 ), head and neck cancers ( n = 3 studies) ( 43 , 60 , 61 ), blood cancer (3 studies) ( 24 , 26 , 73 ), liver cancer (1 study) ( 42 ), gynecologic cancer (1 study) ( ...…”