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The rate of cancer recurrence is determined by many factors, including age, sex, cancer type, treatment duration, stage of advancement, grade of original tumor, and cancer-specific risk factors. [2] [3] [4] If recurrent cancer has already moved to other body parts or has developed chemo-resistance then it may be more aggressive than original ...
Radiation hormesis is the conjecture that a low level of ionizing radiation (i.e., near the level of Earth's natural background radiation) helps "immunize" cells against DNA damage from other causes (such as free radicals or larger doses of ionizing radiation), and decreases the risk of cancer. The theory proposes that such low levels activate ...
Stage 0 can also mean no remaining cancer after preoperative treatment in some cancers (e.g. colorectal cancer). Stage I: cancers are localized to one part of the body. Stage I cancer can be surgically removed if small enough. Stage II: cancers are locally advanced. Stage II cancer can be treated by chemotherapy, radiation, or surgery.
It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer). Radiation therapy is synergistic with chemotherapy, and has been used before, during, and after chemotherapy in susceptible cancers. The subspecialty of oncology concerned ...
Current treatments include surgery, chemotherapy, radiation and targeted therapy for those who have a cancer with a biomarker. Doctors have good success in treating early-stage lung cancer, so ...
Adjuvant pelvic radiation therapy has received scrutiny for its use in women under 60, as studies have indicated decreased survival and increased risk of second malignancies following treatment. [36] In advanced-stage endometrial cancer, adjuvant therapy is typically radiation, chemotherapy, or a combination of the two.
Dose fractionation effects are utilised in the treatment of cancer with radiation therapy. When the total dose of radiation is divided into several, smaller doses over a period of several days, there are fewer toxic effects on healthy cells. This maximizes the effect of radiation on cancer and minimizes the negative side effects. A typical ...
Cancer treatments are a wide range of treatments available for the many different types of cancer, with each cancer type needing its own specific treatment. [1] Treatments can include surgery, chemotherapy, radiation therapy, hormonal therapy, targeted therapy including small-molecule drugs or monoclonal antibodies, [2] and PARP inhibitors such as olaparib. [3]