19. Explains Why It’s So Hard to Treat
Contrary to popular belief, there is no singular entity known as “lung cancer” or any other type of cancer. Instead, cancer manifests as a diverse array of genetic diseases, with each tumor possessing its own distinct genetic makeup and characteristics.

This complexity arises from the vast differences in genetic profiles among individuals, including identical twins, emphasizing the inherent uniqueness of each person’s genetic blueprint. Understanding this diversity underscores the importance of personalized approaches to cancer treatment.