Cancer Misdiagnosis Lawyer in San Antonio

What Cancer Misdiagnosis Means & What It Takes to Prove It

Cancer misdiagnosis takes three forms. A missed diagnosis means the provider failed to identify cancer at all. An incorrect diagnosis means cancer was attributed to a benign condition or a different disease entirely. A delayed diagnosis means cancer was eventually identified but only after meaningful treatment time had passed. All three can support a malpractice claim when a provider’s failure to meet the standard of care caused the patient measurable harm.

Common clinical errors behind these outcomes include misinterpretation of x-rays, MRIs, CT scans, or pathology slides; failure to order appropriate diagnostic tests based on presenting symptoms; breakdowns in communication between treating specialists; and failure to follow up on abnormal lab or imaging results. Cancer types that frequently appear in misdiagnosis claims include breast cancer, colorectal cancer, lung cancer, cervical and ovarian cancer, melanoma, prostate cancer, and lymphomas.

Proving a Cancer Misdiagnosis Claim in Texas

A Texas cancer misdiagnosis claim requires establishing four elements: a doctor-patient relationship that created a duty of care; provider conduct that fell below the standard of care a reasonably competent provider would have met; a direct causal link between that deviation and the patient’s harm; and compensable damages.

Causation is where many of these cases are contested. Texas courts don’t recognize a standalone claim for lost chance of survival, so the plaintiff must affirmatively show that the missed or delayed diagnosis caused a worse outcome than a timely diagnosis would have produced. In practice, that means comparing the patient’s cancer stage at the time of the missed diagnosis to the stage at actual diagnosis and demonstrating the measurable harm the delay caused. This requires expert medical testimony from an oncologist or other qualified specialist who can speak to staging, prognosis, and treatment impact. It’s a demanding causation standard, but it’s one we know how to meet.