White blood cells include both neutrophils and lymphocytes, each having a role in fighting infection. The patient with neutropenia is at more risk of infection and tolerates it less well than normal. O ccult blood presence of blood that cannot be appreciated visually. When in stool known as fecal occult blood. Oncology Oncology is a word coming from Greek.
Oncology means the study of tumors.
Now it is easy to understand the orientation of the subspecialties dealing with malignancy. There is the Medical Oncologist, the Radiation Oncologist, and the Surgical Oncologist. The surgeon wants to know if he can safely remove the cancer and surrounding tissue including regional spread. This may be prevented by tumor direct invasion of critical surrounding structure. If the removal appears feasible, the situation is described as operable.