Many clinically useful tumor markers are not specific to a single cancer type. For example, CEA can be elevated in colorectal, breast, lung, and pancreatic cancers. This lack of organ or tissue specificity means a positive test often requires further investigation to determine the cancer's origin.

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Zambia

• Chita katowando – 271 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies