Zambian Food Policy & Security
Q: What does the term 'food security' encompass?
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In the TNM (Tumor, Node, Metastasis) staging system for prostate cancer, the 'T' category describes the extent of the primary tumor. T3 disease indicates that the cancer has extended beyond the prostate capsule. This is a critical threshold as it signifies locally advanced disease. T3 is further subdivided: T3a indicates extracapsular extension (the tumor is outside the prostate but has not invaded the seminal vesicles). T3b indicates invasion of the seminal vesicle(s). This distinction is important for prognosis and treatment planning. Cancer confined within the prostate is T2. Cancer that invades adjacent structures other than seminal vesicles (like the bladder, rectum, or pelvic wall) is T4. Determining T3 status often relies on findings from digital rectal exam, imaging (like MRI), and the pathological examination of the radical prostatectomy specimen.
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