Diagnosing the nutritional status of cancer patients is extremely important. An appropriate nutritional status supports a better tolerance to the treatment. A working protocol is essential to start with Nutritional Screening. If it is detected Malnutrition Risk or Malnutrition, diet counseling, and the specific therapeutic for each patient must be provided.

This descriptive study will serve three aims:

• Register in the cancer patient's electronic medical record their nutritional status at the admission and when the patient is discharged.
• Determine the percentage of malnourished patients or in the risk of malnutrition who are admitted to hospitalization.
• Recognize the number of patients that required specialized nutritional care.

The purpose of this study is to determine if 30% of the patients admitted to the headquarters of SOLCA in Guayaquil from the Ecuadorian Cancer Society are at malnutrition risk or with any specific malnutrition level.

A prospective, descriptive, non-interventional study that will be performed from July 1st to October 4th of 2019 in all hospitalized patients of the Internal Medicine Service from SOLCA in Guayaquil from the Ecuadorian Cancer Society.

Statistical analysis: Central tendency measures. The results will be presented with tables and graphs.

Two weeks before the start of the study, the training of the personnel that will intervene in the screening of the participants will be carried out and will have a flow chart of actions to follow according to the status of patients.

Inclusion Criteria:

• Participants older than 18-year old that go to the mentioned service

Exclusion Criteria:

• All patients with more than 48 hours of hospital admission
• Pediatric population.
• Patients with edema, non-malignant conditions (family of SOLCA workers) or with oncologic diagnosis not confirmed
• Participants who use a wheelchair or stretcher and those who cannot stand up

The NRS 2002 screening tool will be used to collect data and register the electronic medical record of each patient according to their nutritional status.

The variables to be recorded in an online Excel shared sheet (Google Drive) are weight, height, BMI, age, cancer diagnosis, associated comorbidities.

For weight determination, a scale (mechanical or electronic) in good condition will be used

Participants older than 18-year old that go to the Internal Medicine Service from SOLCA in Guayaquil from the Ecuadorian Cancer Society, from July 1st to October 4th of 2019 in all hospitalized patients of