Background Although discordance in HER2 positivity between primary and metastatic lesions
is well established, changes in HER2 positivity after anti-HER2 therapy have not been well …

Immune-related adverse events (irAEs) induced by checkpoint inhibitors involve a multitude
of different risk factors. Here, to interrogate the multifaceted underlying mechanisms, we …

Optical gain at 1.54 μm in erbium-doped silicon-rich silicon oxide (SRSO) is demonstrated.
Er-doped SRSO thin film was fabricated by electron-cyclotron resonance enhanced chemical …

Purpose Literature is scarce regarding cancer care utilization during the massive outbreak of
coronavirus disease 2019 (COVID-19) in the Republic of Korea. We investigated functional …

Anti-PD-1/PD-L1 immunotherapy, as a treatment for many tumors, has shown good efficacy.
However, responses to immunotherapy did not always occur or last long., ie primary or …

The prognostic value of serum beta-2 microglobulin for diffuse large B-cell lymphoma (DLBCL)
is not well known in the rituximab era. A retrospective registry data analysis of 833 …

Background Salivary duct carcinoma (SDC) is uncommon but is the most aggressive subtype
of salivary gland carcinomas. The high positivity rate for human epidermal growth factor …

Previous studies have shown that transglutaminase 2 (TG2) induces epithelial to mesenchymal
transition (EMT) in various tumors. Several studies have also demonstrated the critical …

Background Multicentric Castleman's disease (CD) is commonly associated with poor prognosis,
and well-known prognostic factors are scarce. We performed a retrospective analysis to …

Purpose Brachial plexopathy in cancer patients is a rare but significant complication that
causes pain and disability of the upper extremities. Clinical features of breast cancer patients …