Prognostic role of PD-L1 expression in head and neck squamous cell carcinoma: An institutional experience from India.

Background: Squamous cell carcinoma accounts for > 90% of Head and neck cancers and has a poor 5-year survival rate of only 50%. Immunosuppressive agents like PD-L1 inhibitors have been found to improve survival in many tumour types, including advanced/recurrent head and neck squamous cell carcinoma (HNSCC). The PD-L1 expression in this tumour can also predict clinical outcome.

Medical students' perspective on online teaching during pandemic: Experience from a Government Medical College in Uttarakhand, India.

Background: COVID-19 pandemic has forced medical education to undergo sudden metamorphosis from the traditional face-to-face education to distance online learning. This transition was dealt with a lot of infrastructure and technical difficulties from both teacher and learner ends, especially in a developing country like India. This study was conducted with the aim of analyzing students' perspective and problems faced in the live online teaching.

Acute abdomen: An uncommon presentation of a common intestinal nematode.

Enterobius vermicularis is a common parasitic infection of the intestine which is rarely symptomatic. It is unusual to find it in the wall or outside the gastrointestinal tract. We encountered five such cases where we observed the worm outside the lumen of the intestine.