5 Deadliest And Most Common Cancers In The World

4. Breast Cancer 

Estimated Deaths: 43,700 

Breast cancer is one of the most deadliest cancers worldwide, responsible for about 43,700 deaths annually and accounting for 12.5% of all new cancer cases. However, the 5-year relative survival rate for non-metastatic invasive breast cancer in the US is 91%, attributed to early detection and improved treatments. Metastasis can be fatal, but death rates have decreased by 43% since 2020 due to early detection and treatment advancements. Studies highlight the efficacy of radiotherapy in reducing recurrence risk and improving survival rates.