PAWR and neoplasm: To test whether CQ inhibited the growth of LLC1-derived tumor nodules in this model of experimental metastasis, we injected LLC1 cells intravenously into Par-4+/+ (wild-type) or Par-4−/− mice and then injected CQ (intraperitoneally [i.p.], 25 mg/kg body weight) once daily for 5 consecutive days.