Publications by authors named "P Gunven"

Cancer of unknown primary is a mostly disseminated malignancy where detailed investigations cannot reveal a probable origin. A few subsets may respond to specific therapy, but the large majority of cases have a median survival of 3-4 months in the few population-based reports, which, however, did not use current investigations and therapy. It is not known if survival can be prolonged by chemotherapy or if supportive care is preferable, especially in the most unfavorable cases in whom chemotherapy may impair the quality of life without prolonging it.

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Cancers derived from anogenital mammary-like glands are rare, and their identification and selection of treatment for dissemination may be difficult. We encountered two such tumors, which both presented as occult primaries with nodal and hematogenous metastases. They were studied by immunohistochemistry, HER2 receptor assay, and gene expression profiling.

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Hypofractionated liver stereotactic radiotherapy has produced long-term survival, but the hepatobiliary system is radiosensitive and may be severely damaged by the treatment. We have evaluated long-term radiation effects on hepatobiliary functions in the first long-term survivors reported after radiotherapy to the hepatobiliary system for liver tumors. Eleven patients were followed for up to 13 years after treatment of tumors≤9 cm in size.

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