MRI of Coronal and sagittal views of the posterior cranial fossa are shown in the attached image. The patient is under 5 years of age and complains about difficulty in walking, headache, and weakening of arms. What does the MRI investigation suggest?

*This case is from Docplexus editorial team for educational purposes only Source: Clinical Oncology-Basic principles and practice. Correct answer posted in the comment section. (Click here).