| 环境 |
rak m (nowotwór złośliwy pochodzenia nabłonkowego atakujący tkanki organizmu ludzkiego lub zwierzęcego, mający skłonność do przerzutów drogami limfatycznymi; Any malignant cellular tumour including carcinoma and sarcoma. It encompasses a group of neoplastic diseases in which there is a transformation of normal body cells into malignant ones, probably involving some change in the genetic material of the cells, possibly as a result of faulty repair of damage to the cell caused by carcinogenic agents or ionizing radiation) |
