The watch in my left back pocket is a malignant tumor, an unripe boil.

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As for the cancerous tumors, statistical analysis from these new tests revealed an increased number of malignant tumors in female rats.

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Certain epidemiologic studies (mainly from a single group in Sweden) indicate an elevated risk of glioma (the most malignant type of brain cancer) in long-term users of cell phones.

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Allergies usually result from an overactive immune function that may detect and eradicate malignant cells from the body, researchers said.

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Count Alexander Karlov, an aristocrat who fled revolutionary Russia with his father, is being pursued by a particularly malignant Cheka agent, Viktor Polyak, of Russia's new Bolshevik regime.

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