Mary is 2 year old. She weighs 13kg. Her temperature is 37.5 degree Celsius. Her mother bought her to the clinic because she has a cough. Mary is not having any problem with breathing. This is first her first visit to this clinic.

Here is the solution based on the provided case study:

Presenting Complain:

• Cough for 7 days.

Examinations:

• General: Mary is a 2-year-old female, weighs $13 \, \text{kg}$. She is alert, not drowsy or unconscious, and sits quietly on her mother's lap. There are no "too sick signs" observed; she is able to drink, has not been vomiting, and has not had any convulsions.
• Vital Signs: Her temperature is $37.5 \,^{\circ}\text{C}$, respiration rate is 41 breaths/min, and pulse is 90 bpm.
• Respiratory: She presents with a cough. There is no indrawing of the chest, and her mother reports no problems with breathing.
• Abdomen: The health worker could not feel the liver when palpating the abdomen.

Diagnosis:

• Pneumonia