Plural of chloroma; multiple greenish tumors or masses of abnormal blood cells associated with leukemia.
From chloroma + -ta, the Greek plural ending. Medical texts from the 1860s onward use this plural form when describing patients with multiple such lesions.
When leukemia patients develop multiple chloromata in different parts of their body, it's a sign the disease has progressed significantly—these green tumors are like warning beacons showing where the cancer is spreading beyond the bone marrow.
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