用胎盘绒毛膜提取物溶液和受检者血清在试管内形成明显接触环,于37℃水温箱内放置8～12小时,无旦白凝集颗粒形成的环状物寿阴性,有薄环为阳性,有宽大旦白凝集环为强阳性。30例较早期癌惠者的阳性率为70％,21例晚期癌的阳性率为57％。另检查正常人124例和其他非癌瘤疾病111倒均为阴性。 The placental chorion extract solution and the subject’s serum form a clear contact ring in the test tube and place it in a water temperature chamber at 37° C. for 8 to 12 hours. The loop formed by the free white agglutination particles is negative in life, and the thin ring is positive. , There is a strong white positive ring. The positive rate of 30 cases with earlier cancer benefit was 70%, and the positive rate of 21 cases with advanced cancer was 57%. Another examination of normal people in 124 cases and other non-cancerous disease 111 down are negative.