Taken off of Keytruda/Lenvima for stage 4 RCC

My husband was diagnosed with stage 4 kidney cancer in October 2021. He is in his mid 60’s. It had metastasis to his left lung but the tumors were small so the doctor thought he was a good candidate for surgery to remove his whole left kidney. Then, in November, they started him on the immunotherapy drug Keytruda every 3 weeks and target therapy Lenvima, in a pill form, every day. The two scans he’s had since his treatment shows the tumors in his lungs have shrunk to the point of not seeing them on the CT scan. A week ago we went in for another Keytruda transfusion. My husband no longer had an appetite (lost an additional 7 pounds in 3 weeks for a total of 35 pounds), and was so weak all he was doing was lying down, shortness of breath and headaches. The doctor said he should take a break from his treatment so everything stopped. Now we wonder what’s next? Our next appointment with the doctor and for lab work is not until the end of July. The whole experience feels like no one knows what to expect or what comes next. Does anyone have a similar experience? We just don’t know what to expect or what will happen next. Thank you.