UC San Francisco scientists have figured out why some lung cancers become drug-resistant after initially responding to targeted therapies. In the process, they devised a new two-pronged approach that yields an effective treatment for these cancers in the laboratory and holds tremendous promise for the ...

For nearly four decades, the main option for breast reconstruction for women who had to undergo a mastectomy was to place implants under the main chest muscle – a procedure that often results in chronic pain and muscle weakness in the chest and arms. Hani ...

Immunotherapy can cure some cancers that until fairly recently were considered fatal. In addition to developing drugs that boost the immune system’s cancer-fighting abilities, scientists are becoming expert at manipulating a patient’s own immune cells, turning them into cancer-killing armies. But cancers have tricks ...

Simple ovarian cysts are extremely common in women and do not require additional ultrasound surveillance or surgical removal, according to a new study of more than 72,000 women and close to 119,00 pelvic ultrasound exams over a dozen years. The study, a collaboration between UC San Francisco and Kaiser Permanente Washington, found that simple ...

Treating brain tumors comes at a steep cost, especially for children. More than half of patients who endure radiation therapy for these tumors experience irreversible cognitive decline, a side-effect that has particularly damaging consequences for younger patients. Up to now, scientists had been unable to ...