Publications by authors named "David Buchberger"

The standard of care for early-stage NSCLC has historically been surgical resection. Given the association of lung cancer with smoking, a large number of early-stage patients also have active smoking-related medical comorbidities such as COPD precluding surgery. The current approach for treating such inoperable patients is frequently considered to be stereotactic body radiation therapy (SBRT).

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Background: Metastatic or locally advanced cutaneous squamous cell carcinoma (cSCC) can be treated with immunotherapy (IO). Cranial nerve involvement (CNI) is uncommon in cSCC and is a poor prognostic factor. Our aim is to describe how patients with CNI respond to IO monotherapy and/or as an adjunct to RT.

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  • Tall cell morphology (TCM) is a rare and aggressive form of papillary thyroid carcinoma (PTC) linked to poorer cancer outcomes, prompting a study to pinpoint risk factors for survival.
  • The research analyzed data from 365 patients treated for PTC-TCM over a 21-year period, identifying various prognostic factors related to cancer recurrence and overall survival rates post-surgery.
  • Key findings indicate that factors such as positive surgical margins, the presence of positive lymph nodes, and larger tumor size significantly contribute to worse locoregional recurrence-free survival rates.
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  • - The study investigates the effects of stereotactic body radiation therapy (SBRT) on patients with localized prostate cancer who had high pretreatment International Prostate Symptom Scores (IPSS ≥ 15) at Georgetown University Hospital from 2009 to 2016.
  • - 53 patients received SBRT, with a low incidence (7.5%) of Grade 3 urinary toxicity over a median follow-up of 3 years, and significant improvements were seen in urinary symptoms and quality of life shortly after treatment, maintained over 36 months.
  • - The results indicate that SBRT is a well-tolerated option for men with high baseline IPSS, showing manageable side effects and lasting improvements in their urinary symptoms post-treatment
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Purpose: The incidence of anal cancer in patients with kidney transplants has increased. The definitive treatment for anal cancer is chemotherapy and intensity-modulated radiation therapy. In kidney transplant recipients, sparing the pelvic kidney in the process of delivering radiation to the anus can be challenging.

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