Wha tests should be done to detect the presence of tumor and cancer?

Many people became terrified of being infected with tumors or cancers which increases the concern for themselves and are interested in anything reassuring and comforting thinking who became sick illusions Tumor Marker tests:You know if you are infected tumor, whether malignant or benign, there are medical tests called tumor markers tests. Tumor Marker tests divided into groups, each group used to detect the type of cancer, according to its position in the human body, where the tumor maker called  “CEA” is a general test to detect the malignancy. breast functions used as breast tumor marker: CA15.3 ,  CEA ,  MCA...