Several methods are employed in cancer investigation:
Physical Examination: Doctors look for lumps, skin changes, and other abnormalities. Laboratory Tests: Blood, urine, and other fluid tests can reveal markers or abnormalities indicative of cancer. Imaging Studies: Techniques like X-rays, CT scans, MRIs, and PET scans help visualize tumors. Biopsy: A sample of tissue is taken and examined under a microscope to confirm the presence of cancer cells.