EvidenceHead and neck squamous cell carcinoma

For someone offered the test, these are the numbers that describe what a result means in an NHS population: about 1 in 100 tests came back positive each year, between 46 and 58 in 100 positives were cancer, and a negative result left about 1 in 100 with an undetected cancer within the year. The test found between a quarter and a third of all cancers diagnosed in a screening round, and about half to two thirds of the 12 cancer types it was designed to find. Whether finding them this way reduces late-stage diagnoses is the primary question, and this paper says only that the answer was no; the primary-endpoint paper had not appeared on Europe PMC by 23 September 2026.

Severe mouth ulcers are the most disabling acute effect of head and neck chemoradiation and there is still no approved drug to prevent them. ROMAN shows that a radioprotector can reduce them, but by less than the phase 2b suggested, and the upper confidence limit of 1.00 plus the numerically lower two-year survival left the FDA unconvinced. The product stays investigational until a confirmatory trial reports.

For the majority of the world's head and neck cancer patients who cannot afford full-dose checkpoint inhibitors, a low dose added to oral metronomic chemotherapy is a tested alternative that improves survival. It also challenges the assumption that approved doses are the necessary doses: pharmacology had long suggested receptor saturation at far lower exposures.

There is no safe level of alcohol for cancer risk, and the risk is highest for cancers of the mouth, throat, oesophagus, liver, bowel and breast. Public awareness is low; most people do not know alcohol causes breast cancer. Warning labels and minimum pricing are the policy levers being debated.

India's cancer problem is a late-diagnosis problem as much as a treatment problem: the same cancers that dominate (oral, cervical, breast) are the ones screening and vaccination can prevent or catch early. The numbers set the priorities of the National Cancer Grid, PM-JAY oncology packages and the national screening programme.

Vaccinating girls before they are exposed to HPV prevents most cervical cancers. Catch-up vaccination in young adults still helps, but less. Combined with HPV screening, elimination of cervical cancer as a public health problem is a realistic goal.

Patients with head and neck squamous cell cancer that has recurred or spread should be treated first with pembrolizumab: alone if their tumour is strongly PD-L1 positive and they can wait for a slower response, or with chemotherapy if the tumour is bulky or PD-L1 low. Cetuximab-based chemotherapy is no longer the default. Long-term follow-up shows a small but real group of patients alive at four to five years, which was almost unheard of before.

Elective neck dissection is now the standard for early oral cancer everywhere. The trial shows what high-volume Indian centres can contribute: a definitive answer to a surgical question that had been debated for half a century and that Western centres, with far fewer oral cancers, could not resolve.

Targeted visual screening of tobacco and alcohol users is a cheap, workable way to cut oral cancer deaths in high-incidence countries, and is the basis for India's national oral cancer screening component. Its effect depends on people attending repeatedly and on treatment being available.

Smoking is the single largest preventable cause of cancer death, and quitting at any age helps, with the greatest gain from quitting young. Cessation support belongs in every cancer service, including lung screening programmes.