In an initial analysis of left - compared with right - sidedness, the researchers determined
primary tumor location in 782 patients; 472 had left primary and 256 had right primary.
The primary tumor location was an independent prognostic marker in patients with RAS wild - type metastatic colorectal cancer after multivariable adjustment.
The primary tumor location was an independent prognostic marker in patients with RAS wild - type metastatic colorectal cancer after adjusting for age, gender, synchronous / metachronous disease, consensus molecular subtype, and microsatellite instability and molecular status, according to the results of an analysis (abstract 3503) of data from CALGB / SWOG 80405 presented at the 2017 American Society of Clinical Oncology (ASCO) Annual Meeting.
Moreover,
primary tumor locations should be carefully considered when deciding treatment intensity in metastatic and locoregional settings, and should represent an important stratification factor for future adjuvant studies,» the article concludes.
Not exact matches
This is one of the first research studies to highlight the importance of the
location of the metastasis as well as the
location of the original
primary tumor, in predicting response to radiation therapy.
«With 18F - MPG PET / CT imaging, we were able to quantitate EGFR - activating mutation status in NSCLC patients (
primary tumor or metastatic) and directly determine / visualize the
location (s) and morphology of the NSCLCs.»
Bone metastases happen when cancer cells travel from the
primary tumor site to the bone, establishing a new cancer
location.
Cancer metastasis, when
tumors spread from their
primary location, is almost always deadly, so patients need anti-metastatic therapies.
The investigators also identified instances in which the genetic profiles of metastases were similar to those of only some cells in the
primary tumor, suggesting that those cells were the source of the metastases, and other cases in which the genetic profiles of metastases from the same
primary differed depending on their
location.
Of these scans, 19 indicated the
location of
primary tumor.
The prognosis for a dog diagnosed with melanoma depends on many factors, but the
location of the
tumor is
primary.
Scintigraphy can determine both the size of the
primary tumor as well as the
location of the metastases that occur in 65 to 90 % of these dogs.
When cancers are found in their original
location they are called
primary tumors.
If your
primary veterinarian suspects cancer, a referral to VSS may include advanced diagnostic cancer testing — including ultrasound, CT scans, and biopsy procedures — to identify the type,
location, and behavior of a
tumor.
The biological behavior, prognosis, and treatment of these
tumors depends on
tumor type,
primary site (
location), and extent of disease (stage).