AFP and cancer: 2. (delay* OR late OR poor) AND (presentation OR attendance OR diagnosis OR stage OR detection OR prognosis) AND (Low Cancer Screening Participation) AND (Mammography OR “Pap Smear” OR “Visual inspection of the cervix with acetic acid” OR “Breast Examination” OR “Colonoscopy” OR “Sigmoidoscopy” OR “Stool Tests” OR “Low-dose helical computed tomography” OR “Alpha-fetoprotein blood Test” OR “Breast MRI” OR “CA-125 Test” OR “PSA Test” OR “Skin exams” OR “Transvaginal Ultrasound” OR “Virtual Colonoscopy”)