Once they break out in a certain part of the human body, tumor will take shape from the holdup and swelling of extravasated blood.Tumors are classified into malignant and innocent tumors.

• 人体内的癌细胞值有十五年至三十年的潜伏期，一但在人体的不同部位发作，人体将形成恶血留滞，瘀血肿胀，形成肿瘤。