A mother of four was fired from her job just days before Christmas while undergoing emergency chemotherapy for a 9/11-related cancer

A mother of four battling 9/11-related cancer was fired by her bank just days before Christmas while undergoing emergency chemotherapy, she claims in a lawsuit that she was fired because she accused the company of overcharging customers.

Bonnie Lam, who lived in 4 World Trade Center when the towers struck, just blocks from her job, said in court papers that she likely survived because she was late for work that day and was caring for her then-2-year-old son.

In April 2022, Lin, 56, was diagnosed with leiomyosarcoma, a rare cancer that develops in the body’s smooth, or involuntary, muscles, such as blood vessels, stomach and intestines.

When Lin discovered that the cancer had spread to her lungs and she needed urgent chemotherapy, she claimed that State Street Bank in Boston discouraged her from taking medical leave, so she continued to work even while she was hospitalized.

She said in documents filed in federal court in Manhattan that she had been reporting that Ms. Lin had overcharged clients including Bank of America and Bank of Tokyo by $1.5 million.

“In the years, months and weeks leading up to her termination, Ms. Lin continually reported to her superiors at State Street about billing and system glitches she discovered on an almost daily basis,” she said in court documents, adding that she later discovered that staff had deleted records of financial transactions based on her reports.

In 2021, the bank Allegedly defrauding customers by secretly overcharging them.

Lin claims in legal documents that she was one of two people fired from her 55-person department last December in part because her manager deemed her condition an “inconvenience.” She is seeking unspecified damages.

“State Street has refused to accept responsibility for illegally firing Carrie Lam, a 9/11 victim with cancer. Therefore, a New York jury must teach the trillion-dollar Boston bank a lesson,” said her attorney, Shane Seppini.

A bank spokesman said the bank denied wrongdoing in Lam’s case and claimed that Lam’s dismissal was “part of planned organizational changes.”

“While we categorically deny these claims, we sympathize with her health and wish her the best,” the spokesman said.