AND, BLOOD, CANCER, CANCEROLOGY, CANCEROUS, CELL, CELLS, COLOURED, ELECTRON, IMAGING, IMMUNE, IMMUNITY, IMMUNOLOGY, LEUKOCYTE, LEUKOCYTES, LYMPHOCYTE, LYMPHOCYTES, MALIGNANCY, MALIGNANT, MEDICAL, MICROGRAPH, MICROSCOPY, NIAID-NIH, ONCOLOGY, PHANIE, SCANNING, SEM, SYSTEM, T, TUMOR, TUMORAL, TUMOUR, WHITE,