The phrase "a primary complication" is correct and usable in written English.
It can be used when discussing the main or most significant issue or difficulty in a particular context, such as medical, technical, or project-related discussions.
Example: "The surgery was successful, but a primary complication arose during the recovery process."
Alternatives: "a major issue" or "a key problem".
Secondary endpoints will include progression-free survival, quality of life, toxicity of chemotherapy, response of the primary tumor and metastatic disease to chemotherapy, postoperative morbidity and mortality, rate of patient not eligible for postoperative chemotherapy (arm A), primary tumor related complications and rate of emergency surgery (arm B).
The primary complication comes from a solution state comprised of variables of different dimensions.
The primary complication of short read mapping is that a read may map equally well or nearly equally well to multiple positions because of repetitive sequences in the genome.
Stenosis is the primary complication of the tissue-engineered vascular graft.
The primary complication for any effort in China, several experts said, is that chemicals for legal fentanyl are produced in hundreds, perhaps thousands, of legitimate pharmaceutical plants and imported to the United States by drug companies.
The primary complication involves the use of fixed bandwidth RF band-pass filters that can not be adjusted to match the spectral width of the desired MRS experiment.
In particular US is highly sensitive and specific for uncomplicated acute diverticulitis and for the primary complication of pericolic abscess [16 18].
A lower percentage of 1.3% (6/436) of additional augmentation procedures at the time of implant placement was found in the present study and was not considered as primary complication [69].
The primary complication risks of ECMO are associated with cannulation, exposure of blood to foreign materials, the concomitant requirement for systemic anticoagulation, and the stresses induced by mechanical pumping [4].
The primary complication of any available anticoagulant therapy is the risk of bleeding.
