1 Spread of the cancer to other parts of the body: Pain caused by cancer itself is more common in people who have metastatic (or advanced) disease, in which the breast cancer spreads to other parts of the body.
Toxicological Effects: 1  Acute toxicity: Atrazine is slightly to moderately toxic to humans and other animals. 2  Chronic toxicity: Some 40% of rats receiving oral doses of 20 mg/kg/day for 6 months died with signs of respiratory distress and paralysis of the limbs.
atrazine-a synthetic compound derived from triazine that is widely used as an agricultural herbicide; atrazine is thought to cause cancer and is banned in some European countries. chemical, chemical substance-material produced by or used in a reaction involving changes in atoms or molecules.erbicide. (hurâ²hÃ»r-bÄ­â², sÄ«dâ²-). ur. Ã»r n a substance used to destroy or inhibit the growth, of plants. especiallyâ²weedsÂ·herâ²bi (-cidâ²al) sÄ«d. l adj