What Happens if Cancer Is Left Untreated?
Untreated cancer grows, invades surrounding tissue, spreads to lymph nodes, and eventually reaches distant organs through the bloodstream or lymphatic system. The timeline varies by cancer type but the biological progression is consistent. Slow-growing cancers like...
Can a Biopsy Spread Cancer?
A properly performed needle biopsy has no clinically significant evidence of causing cancer to spread. The risk of needle tract seeding exists but sits below 0.003% to 0.01% across most cancer types, far lower than the risk of leaving cancer undiagnosed and untreated....
Why Do Some Cancers Not Respond to Chemotherapy?
Some tumours block chemotherapy before it can act. They pump the drug out, repair the DNA damage it causes, or simply lack the receptor it needs to get inside the cell. Others start sensitive and turn resistant mid-treatment as surviving cells take over. This...