Telemonitoring Platforms and Chemotherapy-Associated Toxicity

Inclusion Criteria: * Adult patients (\>18 years) * Histologically confirmed diagnosis of lung, gastric, gallbladder, colon, breast, or cervical carcinoma in any of its forms and stages * Initiating an outpatient curative intent chemotherapy regimen within the facilities of UC-Christus Health Network or Hospital Sotero del Río during the months of November 2023 to July 2024 * Proficient in the Spanish language * Possess a smartphone, regardless of the native operating system (iOS® or Android®) Exclusion Criteria: * Individuals undergoing concomitant radiotherapy * Those with any form of sensory impairment hindering the use of the application * Those with cognitive impairment or psychiatric pathology preventing the use of the application * Those who do not wish to participate in the study