The average ratio of αvβ3+/CD47+ cells in all normal or paracancerous tissues was 0.23 ± 0.25 (n = 32), significantly lower than the proportion of αvβ3+/CD47+ cells in tumor parenchymal cells (0.61 ± 0.33, n = 119, p < 0.01, Student's t‐test). This evidence concerns the gene CD47 and neoplasm.