hospital treatment; inpatient treatment
Refers to medical care received while admitted to a hospital, as opposed to outpatient care.
He received inpatient treatment for pneumonia.
The doctor will decide whether hospital treatment is necessary.
Outpatient treatment, where the patient visits the hospital but does not stay overnight.
Outpatient (department or visit); contrasts with 入院 (inpatient).
Compound of 入院 (hospitalization) + 治療 (treatment).