Women diagnosed with triple-negative breast cancer who started chemotherapy 91 or more days after surgery were especially affected by this treatment delay: they were 53% more likely to die from breast cancer compared to women who started chemotherapy within 30 days of surgery. Triple-negative breast cancer is estrogen-receptor-negative, progesterone-receptor-negative, and HER2-negative. Jan 12, · Time to chemotherapy was defined as the number of days between the last surgery for breast cancer and the first dose of chemotherapy, and delayed time to chemotherapy .
Time to chemotherapy was defined as the number of days between the last surgery for breast cancer and the first dose of chemotherapy, and delayed time to chemotherapy was defined as 91 or more days. Overall, the authors found no evidence of adverse effects when patients started chemotherapy between or days after their surgery as compared to patients who started their chemotherapy in 30 . A delay in starting adjuvant chemotherapy after surgery for breast cancer can adversely affect survival, say US researchers, who found that the type of surgery performed plays a significant role.
Delay between Diagnosis and Surgery Most women who are told that they have a diagnosis of breast cancer experience acute shock and disbelief. Once the treatment plan is decided on for the woman, she will experience some relief of anxiety and distress, but now has to face the hurdle of receiving the planned treatment. Delay from breast cancer diagnosis to chemotherapy after a cancer operation may shorten survival for patients National Cancer Database researchers find a worse survival rate regardless of type of cancer operation if time from cancer diagnosis to postoperative chemo exceeds days.