GH1 and neoplasm: As shown in Figure 6A, there is a notable difference in the number of metastatic tumor nodules (black spots) on the lungs retrieved from control mice (top) compared to the number of nodules covering the lungs of mice injected with 14 kDa hGH-expressing cells (bottom), which showed almost no noticeable nodules, confirmed by a significant decrease in the number of macrometastatic nodules (Figure 6B).