Red Blood Cells (RBCs): These cells carry oxygen from the lungs to the rest of the body. Low levels can indicate anemia, which is common in cancer patients. White Blood Cells (WBCs): These cells fight infections. High or low levels can indicate cancer or side effects from cancer treatment. Hemoglobin: This protein in red blood cells carries oxygen. Low levels can cause fatigue and weakness. Hematocrit: This measures the proportion of red blood cells in your blood. Abnormal levels can be a sign of anemia or other blood disorders. Platelets: These cells help with blood clotting. Low levels can lead to excessive bleeding, a concern for cancer patients.
