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ONCOLOGY Vol 35, Issue 7

Circulating tumor DNA (ctDNA)-based next- generation sequencing (NGS) assays have advantages over classic tissue-based analyses because of their low invasiveness and availability of repeated sampling. The existence of various companion trials for common alterations that can be potential therapy targets on the 2 platforms can lead to future international collaboration.

The level of scientific evidence in National Comprehensive Cancer Network guidelines for malignant hematological conditions haven’t been recently investigated. Herein, investigators describe the distribution of categories of evidence and consensus among the 10 most common hematologic malignancies with regard to recommendations for staging, initial and salvage therapy, and surveillance.

“MK,” a man aged 67 years, presented with fatigue and nausea to his primary care physician. CT staging scans confirmed the primary tumor and a suspicious left 1.2-cm inguinal lymph node but no distant metastases. MRI of the pelvis revealed complete replacement of the penis with tumor as well as invasion into the scrotum and bilateral groin soft tissue; additionally, early pubic bone invasion was present, with left groin lymphadenopathy. Biopsy verified squamous cell carcinoma of the penis, and discussion with the multidisciplinary team uroradiologist confirmed bony invasion.