For some patients with metastatic tumors not affected by other forms of chemotherapy, the treatment halted their cancer’s growth.
WASHINGTON — Longtime Texas Republican Rep. Michael McCaul, a key figure in national security and foreign policy, announced his retirement from Congress after more than two decades of service, while issuing a stark warning about the potential for World War III amid escalating tensions with Russia. The 63-year-old congressman, who joined the House in 2005 …