Gastric cancer ranked fourth for incidence and mortality of all cancers in Vietnam. Clinical symptoms in the early stages are often nonspecific. Patients may have epigastric pain, anorexia or weight loss. Gastroscopy combined with biopsy is a clinical test that helps diagnose gastric cancer.

Cardiac arrhythmia is a common cardiovascular emergency with diverse clinical and paraclinical characteristics. Arrhythmias can be harmless, asymptomatic, or have mild symptoms. However, some arrhythmias can cause discomfort with aggressive clinical and paraclinical manifestations, sometimes threatening the patient's life. This disease has very different clinical and paraclinical symptoms between types of arrhythmia.

Description of clinical and subclinical characteristics of lacrimal gland tumors at the National Institute of Ophthalmology. 2. Evaluation of treatment results of lacrimal gland tumors of the study group of patients. 3.Analysis of some factors related to the results of treatment of lacrimal gland tumors.

Describing the clinical and subclinical characteristics of retinal lesions in Lupus patients; assessing the results of treatment of retinal lesions in patients with systemic lupus erythematosus.

To assess clinical and subclinical characteristics of Dengue pediatric patients with gastrointestinal bleeding in Nhi Dong 1 Hospital from 12/2014 to 12/2015. To evaluate the relationship between gastrointestinal bleeding and clinical, subclinical characteristics and virus type of Dengue pediatric patients at Nhi Dong 1 Hospital from 12/2014 to 12/2015.

The thesis describes clinical features, subclinical and imaging quality in patients with cerebral infarction was re-released in the first 6 hours. Analysis of the relationship between clinical features and reconstituted cerebral infarction images in the first 6 hours on multi-sequence computerized tomography.

Research clinical and subclinical characteristics of severe viral pneumonia in children under 5 years old from 2/2015 to 2/2017. Assess the relationship between hs-CRP, Procalcitonin, Interleukin-6 and clinical, subclinical, treatment results, viral etiology in severe viral pneumonia in children under 5 years old.

Research objectives: Reviewing some clinical and subclinical symptoms, cardiac morphology and function via ultrasonography in cirrhotic patients; identifying a relationship between some parameters of cardiac morphology and function and some clinical and subclinical symptoms in cirrhotic patients.